Volume 47 a Zeitschrift für Naturforschung 1992 Sachverzeichnis Das Sachverzeichnis umfaßt Originalarbeiten, Notizen (N) und Errata

Cluster Flüssige Kristalle The Kinetics and Formation of Small Carbon Clus- Surface Energy for Nematic Liquid Crystals: A New ters in an Argon Matrix Point of View J. Szczepanski, R. Pellow, and M. Vala 595 A. L. Alexe-Ionescu, R. Barberi, G. Barbero, T. Beica, and R. Moldovan 1235 Diffusion und Ionenleistung in Flüssigkeiten Static and Hydrodynamic Properties of Nematic und Festkörpern Liquid Crystals . A. Chrzanowska and K. Sokalski 565 Static and Dynamic Properties of Ferroelectric Conductance Studies of Aqueous Succinic Acid Liquid Crystals in the Vicinity of a First-Order A. Apelblat and J. Barthel 493 SmA-SmC* Phase Transition High Ionic Conductivity of LizO: B203: V205 R. R. Netz and S. Hess 536 K. Gaur and H. B. Lai (N) 1011 Reply to the Comment of V. I. Stepanov "On the Self-Diffusion in Molten Lithium Nitrate Osipov-Terentjev Calculation of the Viscosity of C. Herdlicka, J. Richter, and M. D. Zeidler 1047 Liquid Crystals" Internal Cation Mobilities in Molten (Li,Ag)N03 M. A. Osipov and E. M. Terentjev (N) 627 and (K,Ag)N03 Remeasured by the Klemm Method Nitrogen Nuclear Quadrupole Resonance Dips in the I. Okada and K. Ichioka 781 Proton Spin Relaxation Dispersion of Nematic and Smectic Thermotropic Liquid Crystals Elektrochemie D. J. Pusiol, R. Humpfer, and F. Noack 1105 Thermodynamic Study of Ce4 + /Ce3+ Redox Reac- Comment on the Osipov-Terentjev Calculation of the tion in Aqueous Solutions at Elevated Temperatures: Viscosity of Liquid Crystals . . V. I. Stepanov (N) 625 1. Reduction Potential and Hydrolysis Equilibria of Liquid Crystalline Aromatic Cholesterol Derivates 4+ Ce in HC104 Solutions (In German) ... V. Vill, J. Thiem, and P. Rollin 515 B. A. Bilal and E. Müller 974 Potentiometrie Study of Fluoro Com- plexes in Aqueous Solutions up to 473 K and 1 kbar Flüssigkeiten B. A. Bilal and E. Müller 1034 Structure Investigation on Liquid Tellurium by X- Ray and Neutron Scattering Festkörper, amorph W. Hoyer, H. Neumann, and M. Wobst 833 Combination of EXAFS and Differential Anomalous Surface Tension Around Eutectic Compositions of Molten Alkali Carbonate Mixtures X-ray Scattering for Studying Ni2Zr Amorphous Alloy Yu. A. Babanov, K. Igarashi, K. Tajiri, T. Asahina, M. Kosaka, A. F. Sidorenko, V. R. Shvetsov, M. Bionducci, Y. Iwadate, and J. Mochinaga 675 G. Licheri, G. Navarra, A. L. Ageev, and V. V. Vasin 1191 Monte Carlo Simulations of Water under Supercriti- cal Conditions. II. Convergence Characteristics and Testing the Reverse Monte Carlo Method Using the System Size Effects A. G. Kalinichev 992 Scattering Data from Amorphous Ni2Zr Intramolecular and Liquid Structures of Tetramethyl- M. Bionducci, F. Buffa, G. Licheri, and G. Navarra 685 urea Studied by Means of X-Ray Diffraction T. Radnai and H. Ohtaki 1003 Short Range Structure of Amorphous Ni50Ta50- Alloys by Means of X-Ray. and Neutron-Diffraction Dielectric Relaxation of Liquid Alicyclic Alcohols H. Uhlig, L. Rohr, H.-L. Güntherodt, P. Fischer, M. Stockhausen and S. v. Hornhardt 1135 P. Lamparter, and S. Steeb 826 Raman Spectroscopic and X-ray Diffraction Studies on Concentrated Aqueous (II) Bromide Solution Festkörper, kristallin at High Temperatures T. Takamuku, M. Ihara, T. Yamaguchi, and H. Wakita 485 Radiation Induced Colour and Crystal Defects in Structure of Supercooled Aqueous Zinc (II) Bromide Topaz A. Banerjee (N) 923 Solutions by Raman and X-Ray Scattering Methods On some Crystals of "Lapis Lazuli" T. Takamuku, K. Yoshikai, T. Yamaguchi, A. Banerjee and T. Häger (N) 1094 and H. Wakita 841 A Microscopic Theory of a Single Hydrogen Centre Dielectric Relaxation of 2-Amino-l-butanol in a Magnesium Crystal . M. Gnirss and F. Wahl 733 U. Witt, M. Stockhausen, J. Jadzyn, Further Study of Intersectorial Isotope Fractionation and P. K^dziora 678 in Quartz A. Klemm, A. Banerjee, and S. Hoernes 1232 Gaskinetik Differential Thermal Analysis and Dielectric Studies on Neopentanol under Pressure The PN Method in the Kinetic Theory of Gases H. G. Kreul, R. Waldinger, and A. Würflinger 1127 G. Kügerl and F. Schürrer 925 Lattice Vibration Spectra. LXXV. IR Single Crystal Reflection Spectra of Sr(C103)2 Hochfrequenzspektroskopie H. D. Lutz and M. Schmidt 1145 Absorption Spectrum of Ni (II) Ions Doped in Mag- a) ESR nesium Thallium Sulphate Hexahydrate An Electron Paramagnetic Resonance Study of A. V. Subbaiah, J. L. Rao, R. M. Krishna, Mn2+ Ions Doped in Langbeinites and S. V. J. Lakshman 813 T. Böttjer, G. Lehmann, and M. Stockhausen 849 1264 Sachverzeichnis

ENDOR Studies of X-Irradiated Single Crystals of 2) Glasses, Ceramics, Semiconductors and Metals Sulphamethoxazole NQR Studies of the Structure of Glasses and Crys- R. Krzyminiewski and A. Lund 950 talline Compounds ESR Spectra of Para-Substituted Alkyl- and Alkyl- P. J. Bray D. H. Lee, D.-G. Mao, G. L. Petersen, benzene Radical Cations in Halocarbon Matrices S. A. Feller, D. L. Bain, D. A. Feil, Y. Kubozono, M. Ata, Y. Suzuki, Y. Gondo P. Pandikuthira, and S. Nijhawan 30 and M. Shiotani 788 Nucleus-Carrier Interactions in the Group V Semi- Solvation Structure of the Ti (III) Ion in Methanol metals: Dependence on Temperature and Pressure Solutions and in Perfluorinated Ionomers Swollen by J. M. Keartland, I. P. Goudemond, Water and Methanol. A Study by ESR and ENDOR G. C. K. Fölscher, and M. J. R. Hoch 49 S. Schlick, B. E. Myers, L. Sjöqvist, and A. Lund 702 14N Quadrupole Interactions in Nitrogen-Contain- ing Ceramics. Effects on 29Si NMR Line Shapes and Structural Implications A. Olivieri 39 b) NMR Electric Field Gradient in Aluminium due to Vacancy NMR Characterization of Half-integer Quadrupolar and Muon M. J. Ponnambalam 45 Nuclei in Solids J. P. Amoureux 665 2 3) Inorganic and Organometallic Compounds 'H and H NMR Studies of Mixtures 2,6-Lutidine/ Water Near the Lower Critical Solution Point The Nuclear Quadrupole Interaction of 199mHg-Cys- V. Balevicius, N. Weiden, and Al.Weiss 583 teine and 199mHg-tert-butyl-mercaptide Molecular Motions in Solid [Sb(CH3)4]PF6. A Com- T. Butz, W. Tröger, Th. Pöhlmann, and O. Nuyken 85 bined *H, 19F Nuclear Magnetic Resonance and An NQR Study of Tetrachloride Complexes of Quasielastic Neutron Scattering Study Group IVA Elements G. Burbach, N. Weiden, and Al. Weiss 689 V. P. Feshin and M. G. Voronkov 120 Interrelation Between Molecular Motions and Struc- The 1UmCd Nuclear Quadrupole Interaction in ture in Solid Trimethylamine-boron-trichloride as CdCl2 and its Monohydrate Studied by NMR Th. Fraenzke, T. Butz, and A. Lerf 89 S. Glowinkowski, S. Jurga, and E. Szczesniak 1157 A 63-65Cu and 127I Nuclear Quadrupole Resonance Molecular Motion in Phenpropylammonium Chlo- and X-Ray Crystallographic Study of a Low-Temper- ride Studied by Deuterium NMR ature Phase of the 6/s(2-picoline) (I) Iodide M. L. H. Gruwel and R. E. Wasylishen 1073 Dimer A. Habiyakare, E. A. C. Lücken, 'H NMR Studies on Cationic Motions in Solid tert- and G. Bernardinelli 106 Butylammonium Hexachlorostannate (IV) NQR and X-ray Studies of [N(CH3)4]3M2Y9 and H. Ishida, T. Higashiyama, N. Hayama, (CH3NH3)3M2X9 (M = Sb, Bi; X = C1, Br) and R. Ikeda 1087 H. Ishihara, K. Watanabe, A. Iwata, K. Yamada, Molecular Motion in Solid Tetrapropylammonium Y. Kinoshita, T. Okuda, V. G. Krishnan, Bromide and Iodide S.-Q. Dou, and AL Weiss 65 S. Lewicki, B. Szafranska, and Z. Paj^k 1115 Cesium Iodometallates(III), Cs3M2I9, with M = Rare Molecular Reorientation of Methanol in Mixtures Earth. A Structural Investigation by 127I NQR with Carbon Tetrachloride M. Lenck and Al. Weiss 54 81 127 R. Ludwig, D. S. Gill, and M. D. Zeidler 857 Br and I NQR Studies of (CH3NH3)2HgBr4 Large Volume NMR Spectroscopy with a Whole and (CH3NH3)2HgI4 Body Imager O. Lutz and M. Pfeffer 637 H. Terao, T. Okuda, A. Minami, T. Matsumoto, IVlUILtUial IVlUllUil 111 ÜV11U A V.11 CllUV til J 1U111111C1U Ulli and Y. Takeda 99 Tetrafluoroborate .... S. Torre and P. Ferloni 721 14N NQR in 1,10-Phenanthroline and Dicyano An Effect of Deuteration on Ion Motions and Hydro- bis(l,10-phenanthroline)(III) gen Bondings in Guanidinium Tetrafluoroborate J. Murgich, Y. Aray, E. O. Rico, and I. Bonalde 96 J. W^sicki, M. Grottel, A. Kozak, and Z. Paj^k 803 79Br Nuclear Quadrupole Relaxation in the High Temperature Modification of Niobium Pentabromide N. Okubo, H. Sekiya, C. Ishikawa, and Y. Abe 713 c) NQR 7Li-Solid-State-NMRof[Li(N,N,N',N'-Tetramethyl- ethylenediamine)] C104 and [Li (N,N,N',N'-Tetra- 1) High- Tc Superconductors methylethylenediamine)2]Al(CH3)4 NQR and NMR in High Superconductors T. Pietrass, P. K."Burkert~ and H. H. Karsch 117 K. Asayama, Y. Kitaoka, and G.-Q. Zheng 7 63-65Cu and 79-81Br NQR Studies of Thione Com- Probing the Electronic Structure of Y-Ba-Cu-0 plexes of Cu(I) Halides Superconductors by Copper NQR/NMR S. Ramaprabhu and E. A. C. Lücken 125 D. Brinkmann 1 Bromine-79 NQR for Uncoordinated Br- ions in Cu-NQR Frequencies and Linewidths in High-7^ Su- /ra«

4) Organic Compounds High Pressure Studies of Tetrachloro-o-benzo- quinone by NQR Spectropscopy .... P. Koziol 254 NQR and Crystal Structure of 4,5-Dichloroimidazole, NQR Study of the Pinning and Depinning of the C3H2N2C12 S.-Q. Dou and AI. Weiss 177 Incommensurate Modulation Wave in the Presence NQR Studies of Organic Compounds Containing of Impurities Tetra- or Pentacoordinated Atoms of Elements of F. Milia, G. Papavassiliou, and A. Anagnostopoulos 237 Groups IVA and VIA VP. Feshin 141 Phase Tranmsitions in Bis(4-chorophenyl)sulfone as Spatial Electron Density Distribution of Chlorine Studied by Cl FT-NQR Atoms in Molecules of the Series C1 C = CXX' 2 H. Kakayama, T. Eguchi, and M. Kishita 232 V. P. Feshin, G. A. Polygalova, V. V. Shchepin, An NQR and Calorimetric Study of a Phase Transi- and Y. E. Sapozhnikov 150 35 tion in ?e?raA:/5(a-Phenylethylamine)-£/s(isothio- C1 NQR and Structural Studies of Chloroacet- cyanato) (II)/o/-^o-Dichlorobenzene Clathrate anilides C H Cl NHCOCH _ Cl , 1 3 6 3 2 3 Jt x L. Pang, E. A. C. Lücken, and P. Tissot 251 D. Groke, S.-Q. Dou, and Al. Weiss 160 Phase Transition in Cesium Enneabromodibis- The Electric Field Gradient at the Site of the Halogen 81 209 muthate(III), Cs3Bi2Br9; an Br and Bi NQR Ion and Structure of Amino Acid Hydrobromides Study and Hydroiodides H. Terao, H. Ishihara, T. Okuda, K. Yamada, A. Kehrer, S.-Q. Dou, and Al. Weiss 887 and Al. Weiss (N) 1259 35C1 NQR Spectra of Organyl(chloroalkyl) Sulfides M. G. Voronkov, G. V. Dolgushin, V. P. Feshin, L. P. Turchaninova, N. A. Korchevin, and E. N. Deryaghina 147 Electron Effects of Adduct Formation by some Metal 7) Relaxation and Dynamic Processes 35 Halides . . E. A. Kravchenko and M. Yu. Burtzev 134 C1 NQR and Molecular Motion in Solid C6X5C1 79Br and 127I NQR of tert-Butylammonium Halides (X = H, F) e and Crystal Structure of (CH3)3CNH®Br A. D. Gordeev, G. B. Soifer, and A. P. Zhukov 330 M. Shabazi, S.-Q. Dou, and Al. Weiss 171 Reorientation of the CC13 Group in Chloral 4-Chloro- Dioxin Precursors: NQR Studies of Group 1 and benzylhemiacetal. A Pulsed 3 Cl NQR and X-ray Related 2,6-Dichlorophenolate and 2,4,6-Trichloro- Study phenolate Salts M. Hashimoto, T. Isono, N. Yomesaka, H. Niki, G. Wulfsberg, K. Shadid, B. Farris, J. Monn, H. Kyan, and T. Hamagawa 293 T. Bonner, J. Yanisch, and Al. Weiss 153 Chlorine Nuclear Spin-Spin Relaxation Mechanism in Mg(H20)6SnCl6 as Studied by NQR and NMR Techniques . . . . K. Horiuchi and D. Nakamura 277 5) Theory of Electric Field Gradients Temperature Dependence of the Spin-Lattice Relax- 23 Theoretical Study of the Electric Field Gradient in ation Time of the Na-NMR Line in NaN02 Silver Iodide M. Igarashi, H. Kitagawa, S. Takahashi, G. Frantz, R. Leiberich, P. C. Schmidt, and T. P. Das 182 R. Yoshizaki, and Y. Abe 313 l4N NQR and the Molecular Charge Topology in NQR and Neutron Diffraction in Scheelites Coordinated Ammonia R. Julian, C. Brown, M. E. Shortreed, A. J. Szabo, J. Murgich, Y. Aray, and E. O. Rico 217 B. M. Powell, and S. N. Stuart 308 The ab initio Calculation of Nuclear Quadrupole Chlorine Nuclear Quadrupole Relaxation and Coupling Constants with Special Reference to S Cationic Motion in Trimethylsulfonium Hexachloro- M. H. Palmer 203 selenate(IV): [(CH3)3S]2SeCl6 The Nuclear Quadrupole Moments of the 20 First M. Kaga, T. Asaji, R. Ikeda, and D. Nakamura 274 Elements: High-Precision Calculations on Atoms The 35C1 NQR Temperature Dependence of Hexa- and Small Molecules P. Pyykkö 189 and Octachlorocyclophosphazene Ab initio Calculations of the Electric Field Gradients A. A. Koukoulas and M. A. Whitehead 305 in Solids in Relation to the Charge Distribution Reorientational Motion of Hydrogen Bonded Octa- K. Schwarz and P. Blaha 197 hedral Complex Anions in Hydrazinium Hexachloro- 35 stannate(IV), (N2H5)2SnCl6, as Studied by C1 NQR Spin-Lattice Relaxation Measurements 6) Phase Transition and Solid State Properties Y. Kume, M. Tokoro, T. Asaji, R. Ikeda, Milli-Kelvin NQR: A Study of the Praseodymium and D. Nakamura 288 Trihalides R. L. Armstrong and S. Su 221 35C1 NQR Relaxation in Chloral Cyclohexylhemi- 35C1 NQR and Crystal Structure Studies of Salts of acetal Chlorodifluoro- and Dichloroacetic Acid H. Niki, R. Igei, H. Kyan, T. Hamagawa, T. Isono, R. Basaran, S.-Q. Dou, and Al. Weiss 241 and M. Hashimoto 299 Clorine-NQR Relaxation Near the Structural Tansi- Sodium Ion Exchange in Naj+xZr2SiJ(.P3_;c012 as 23 tions of Natural and Deuterated (NH4)2TeCl Studied by Na Nutation NMR C. Dimitropoulos, F. Borsa, and J. Pelzl 261 H. Ohki and N. Nakamura 319 NQR Investigation of the Temperature-Induced Uniaxial Reorientation of Octahedral Complex An- Neutral-to-Ionic Phase Transition in the Mixed- ions Excited ion Triethylammonium Hexachlorostan- Stack Charge-Transfer Complkex TTF-CA nate(IV) Crystals M. Gourdji, L. Guibe, A. Peneau, J. Gallier, T. Shimizu, T. Asaji, D. Nakamura, and R. Ikeda 283 B. Toudic, and H. Gailleau 257 Anomalous Temperature Dependence of the 99Tc Electric Field Effect on 14N NQR In ferroelectric Quadrupole Coupling and Disordering of Cesium Thiourea Single Crystals Positions ion CsTc04 H. J. Kim, K. T. Han, and S. H. Choh 227 V. P. Tarasov, G. A. Kirakosyan, and K. E. German 325 1266 Sachverzeichnis

Reorientational Motion of Trihalogenomethyl Groups Determination of the Ring-Inversion Barrier in y- in Organic Compounds as Studied by 35C1 NQR and Thiobutyrolactone by Microwave Fourier Transform 19F NMR Spectroscopy Spectroscopy S. Wigand, T. Asaji, R. Ikeda, and D. Nakamura 265 H. Harder, A. G. Lesarri, J. L. Alonso, H. Dreizler, and J. C. Lopez 588 8) Experimental Methods and Spin Dynamics A Contribution to the Microwave Spectra of eis- and 14 trans-2,3-Dimethyloxirane by Fourier Transform N Fourier Transform Nuclear Quadrupole Reso- Spectroscopy H. Hartwig and H. Dreizler 1051 nance. Instrumentation: Measurements on Cyanuric The Rotational Spectrum of 2,2-Dimethyloxirane Chloride . . R. Ambrosetti, C. Forte, and D. Ricci 421 19 H. Hartwig and H. Dreizler 1063 A Simple Model to Explain F-TDPAD Amplitude Nuclear Quadrupole Hyperfine Structure in the Rota- Characteristics a tional QrSubbranch of Deuteroisothiocyanic Acid, H.-R. Blank, M. Frank, J. Heindl, M. Kaltenhausen DNCS H. Heineking and H. Dreizler 511 H. Köchner, W. Kreische, N. Müller, S. Porscher, Bromine Spin-Rotation Coupling Constants of Cyclo- and T. Wagner 389 propylbromide-79Br and - Br 2 D Methods in NQR Spectroscopy N. Heineking, J. Gripp, and H. Dreizler 507 R. Blinc and J. Seliger 333 The 14N Nuclear Quadrupole Coupling in E- and Detection of Quadrupole Interactions by Muon Level Z-C-Cyanomethanimine; its Prediction from Re- Crossing Resonance S. F. J. Cox 371 stricted Hartree-Fock Wave Functions and its Exper- Contribution of Microwave Fourier Transform Spec- imental Determination by High Resolution Micro- troscopy to the Investigation of Nuclear Quadrupole wave Spectroscopy . H. Krause and D. H. Sutter 573 Coupling H. Dreizler 342 The Microwave Spectra and Nitrogen Quadrupole Zeeman NQR Studies on Polycrystals of Copper Coupling Constants of Cyano- and Isocyanopenta- Compounds, Arsenic Compounds, and Chlorine fluorobenzene . . . . M. Krüger and H. Dreizler 865 Compounds . . O. Ege, S. Hamai, and H. Negita 401 Methyl Internal Rotation and 14N Nuclear Quadru- Zeeman Effect of Pure NQR in a Rotating Frame pole Coupling from the Rotational Spectra of Ethyl (CW and Pulsed Excitation) Isocyanide, wo-Propyl Isocyanide and gauche- and G. B. Furman, and I. M. Kadzhaya 412 trans-n-Propy\ Isocyanide NQR Spin Echo in the Effective Fields of Multiple- M. Krüger and H. Dreizler 1067 Pulse Sequences Dipole Moment and High Resolution Rotational G. B. Furman, I. M. Kadzhaya, G. E. Kibrik, Spectrum of Fluorocyanoacetylene, FCCCN A. Yu. Poljakov, and I. G. Shaposhnikov 409 M. Krüger, I. Merke, and H. Dreizler 1241 Two-dimensional Two-frequency NQR Spectroscopy Rotational Spectrum of cis-HS3D V. S. Grechishkin and N. Ja. Sinjavsky 430 M. Liedtke, A. H. Saleck, J. Behrend, Experimental Investigations of the Strong Off-Reso- 14 G. Winnewisser, R. Klünsch, and J. Hahn 1091 nance Comb (SORC) Pulse Sequence in N NQR Quadrupole Hyperfine Structure in the Rotational S. S. Kim, J. R. P. Jayakody. and R. A. Marino 415 Spectra of Sulfur Dichloride NQR Imaging I. Merke and H. Dreizler 1141 R. Kimmich, E. Rommel, P. Nickel, and D. Pusiol 361 Nuclear Quadrupole Coupling in the Rotational Weak Complexes of Dinitrogen: An Approach to 14 Spectrum of Thionyl Chloride the N-Nuclear Quadrupole Coupling Constant of I. Merke and H. Dreizler 1150 Free N2 A. C. Legon and P. W. Fowler 367 Quadrupole Hyperfine Structure in the Rotational The Quasistationary States in Multipulse NQR Spectra of Sulfuryl Chloride D. Ya. Osokin, V. L. Ermakov, R. H. Kurbanov, I. Merke and H. Dreizler 1153 and V. A. Shagalov 439 Temperature Dependence of N2-Relaxation of Rota- Two-dimensional Exchange Spectroscopy Using Pure tional Lines of Propionitrile NQR .... E. Rommel, P. Nickel, R. Rohmer, H.-W. Nicolaisen, H. Mäder, and F. Rohart 999 R. Kimmich, C. Gonzales, and D. Pusiol 382 The Rotational Zeeman Effect in Acetone, its g-Ten- Quadrupole Nutation NMR in Solids sor, its Magnetic Susceptibility Anisotropics and its W. S. Veeman 353 Molecular Electric Quadrupole Moment Tensor; A A Computer-controlled, Fully Automatic NMR/ High Resolution Microwave Fourier Transform NQR Double Resonance Spectrometer Study F. Oldag and D. H. Sutter 527 F. Zhenye, E. A. C. Lücken, and J. Diolot 395 The Rotational Spectrum of the Fluorobenzene- Argon Van der Waals Complex 9) NQR Database W. Stahl and J.-U. Grabow 681 Recent Development of Nuclear Quadrupole Reso- The v4 Rotational Vibration Band of Dicyano- nance Spectra Database H. Chihara and K. Mano 446 acetylene F. Winther, M. Ketelsen, M. Niedenhoff, and K. M. T. Yamada (N) 1253 c) Mikrowellenspectroskopie Hydrodynamik Determination of a High Potential Barrier Hindering Internal Rotation in 2-Methylcyclopentanone and Onset of Thermosolutal Convection in a Liquid Layer x-Methyl-y-Butyrolactone by Microwave Fourier Having Deformable Free Surface - I. Stationary Transform Spectroscopy Convection. . . B. S. Dandapat and B. P. Kumar 554 J. L. Alonso, N. Heineking, H. Dreizler, Onset of Thermosolutal Convection in a Liquid Layer A. G. Lesarri, and J. C. Lopez 761 Having Deformable Free Surface - II. Overstability A Microwave Fourier Transform Spectrometer in the B. S. Dandapat and B. P. Kumar 561 Frequency Range of 2 to 4 GHz and its Performance Experimental Realization of Stokes Modes of the C. Gerke and H. Dreizler 1058 Pipe by Lorentz Excitation A. Pysik and J. Heber 1097 Sachverzeichnis 1267

Ionisierte Gase, Plasmaphysik Determination of some Dye Parameters by Polarized Comparison of Different Methods of Abel Inversion Fluorescence Spectroscopy E. Wolarz 807 Using Computer Simulated and Experimental Side- On Data G. Pretzier, H. Jäger, T. Neger, Massenspektroskopie H. Philipp, and J. Woisetschläger 955 Presparking Effect in Spark Source Mass Spectrome- Collisional Isotropisation of a Strongly Magnetized try A. Harfoush and S. Sh. Soulayman 748 Anisotropic Plasma within the Weak Interaction Ap- Structural Isomers of the Benzene Dimer from Mass proximation H. Schamel and G. Hübner 629 Selective Hole-Burning Spectroscopy Rayleigh-Taylor Instability of a Partially Ionized W. Scherzer, O. Krätzschmar, H. L. Selzle, Plasma in a Porous Medium in Presence of a Variable and E. W. Schlag 1248 Magnetic Field R. C. Sharma and Sunil 1227 Peripheral Stochasticity in Tokamaks - The Martin- Moleküle, experimentell Taylor Model Revisited FTIR Study of the v12 and the v12 + v14 — v14 Bands R. L. Viana and I. L. Caldas 941 of 1,3,5-Triazine Near 740 cm"1 Polarisation in the Temperature Equilibration of An- W. Bodenmüller, A. Ruoff, and L. Manceron 1197 isotropic Plasmas . . . . U. Wolf and H. Schamel 945 High Resolution FTIR Study of the v8 Band and ab initio Calculation of the Harmonic and Anharmonic Force Field of Difluoromethanimine, CF2NH Kernphysik H. Bürger, R. Kuna, G. Pawelke, S. Sommer, Debye-Waller Type Expressions for the Nuclear Elas- and W. Thiel 475 tic Form Factors at Small Momentum Transfers Preparation of Octabromoditechnetate(III, II), 3 M. E. Grypeos, G. A. Lalazissis, S. E. Massen, [Tc2Br8] ~ and the Vibronic Structure of the <5 -><5* and C. P. Panos 1211 Transition G. Peters, J. Skowronek, and W. Preetz 591 High-Resolution Vibrational Spectra of Furazan. Lumineszenz -1 II. The B[ Fundamental vn at ~ 1175 cm from Luminescence Properties and Electronic Structure of Fourier-Transform Infrared Spectroscopy Some Quinolizinone and Indolizinone Derivatives O. L. Stiefvater 499 S. Bakalova, P. Nikolov, E. Stanoeva, Far-Infrared Laser Magnetic Resonance Detection of V. Ognyanov, and M. Haimova 521 CH2C1 F. Temps, H. Gg. Wagner, and M. Wolf 660 Luminescence Spectra of Mn2+ Doped in Lang- beinites . . . T. Böttjer and M. Stockhausen (N) 1257 Moleküle, theoretisch Fluorescence Spectroscopy on UHV-Deposited Thin Factor Analysis of Long Range Substituent Effects Films of Coronene (In German) on C-13 NMR Chemical Shifts and Target Factor P. Fischer, H. Port, and H. C. Wolf 643 Testing of Different Types of Substituent Parameters Time-resolved Fluorescence Quenching in Ultrathin G. F. Fadhil 775 Coronene Films on Silicon Substrates: Coverage De- Bending Energy Minimisation Criterion for Molecu- pendence (In German) lar Geometry in XY Pyramidal Systems P. Fischer H. Port, and H. C. Wolf 797 3 K. Indira, M. K. R. Warier, A Photophysical Study of Tri-chromophoric Systems and T. R. Ananthakrishnan 1119 Containing Two Naphthalene Moieties: Intramolec- Dependence of Potential Energy on Inter-bond Angles ular Excimer Fluorescence, Energy Transfer, Phos- in Simple Molecules phorescence, and Delayed Fluorescence K. Indira, M. K. Rudra Warier, K.-D. Gundermann, E. Romahn, and M. Zander 877 T. R. Ananthakrishnan, and C. M. Paul 765 The Inertial Effect in Rotational Fluorescence Depo- Structural Parameters and Internal Rotational larization A. Kawski, P. Bojarski, and A. Kubicki 971 Barriers of tert-Butylammonium Ion: AMI and ab Directions of the Electronic Absorption Transition initio Calculations Moments in co-Substituted 4-Dimethylamino-trans- H. Ishida, Y. Kubozono, S. Kashino, Styrenes A. Kawski, Z. Gryczynski, I. Gryczynski, and R. Ikeda (N) 1255 and J. Kusba 471 On the Electric Multipole Moments of Carbon Isomerization of Diphenyl Polyenes. Part II. Fluores- Monoxide G. Maroulis 480 cence Properties of l,8-Diphenyl-l,3,5,7-octatetraene A Modification of the Free-Electron Model for in Polyvinyl alcohol) Film Cyclic Polyenes G. Taubmann 1121 A. Kawski, A. Kubicki, B. Kuklinski, I. Gryczynski, Conformational Aspects of Substituents in Enamines. and Z. Gryczynski 1017 X-Ray Structure Analyses and Quantum Chemical Isomerization of Diphenyl Polyenes. Part III. Ab- Calculations sorption and Fluorescence Properties of 1,4-Di- phenyl-l,3-butadiene in Polyvinyl alcohol) Film G. Raabe, W. Karl, D. Enders, and J. Fleischhauer 869 A. Kawski, B. Kuklinski, and A. Kubicki 1204 A Theoretical Study of Monosubstituted Cyclo- The Role of Singlet Oxygen in the Lyoluminescence propenyl System . N. M. Yahya and S. M. Khalil 768 of Saccharides Scaled Quantum Mechanical (SQM) Force Field Cal- E. Pitt, A. Scharmann, and T. Suprihadi 463 culations of the Hexathiometadiphosphate Anion Luminescence Spectra of the Mixed Chloro-Bromo- P2Sg" . . M. Ystenes, W. Brockner, and F. Menzel 614 2- Technetates(IV), [TcCl„Br6_ J , n = 1-5 A. Wendt and W. Preetz 882 Nichtlineare Dynamik The Effect of Temperature on the Fluorescence A Technique to Classify the Similarity Solutions of Quenching of Perylene by Tetrachloromethane in Nonlinear Partial (Integro-)Differential Equations. Mixtures with Cyclohexane and Benzene I. Optimal Systems of Solvable Lie Subalgebras W. M. Wiczk and T. Latowski 533 H. Kötz 1161 1268 Sachverzeichnis

On the Problem of Bromide Control in a Tl3 +-per- Pyrolyse turbed Belousov-Zhabotinsky Oscillator About the Radical Formation in the Pyrolysis of S. Muränyi and Z. Noszticzius 605 Formic Acid at High Temperatures Phase Transition of Scaling Functions Derived from M. Klatt, M. Röhrig, and H. Gg. Wagner 1138 Experimental Time Series . R. Stoop and J. Parisi 819

Oberflächen Quanten- und Relativitätstheorie Surface Structure of Nanometer-Sized Zinc Ferrite Particles by the Anomalous X-ray Scattering (AXS) Feynman-Kleinert's Treatment of a Class of Harmon- Method ic-Oscillators E. Matsubara, K. Okuda, Y. Waseda, and T. Saito 1023 M. Bentaiba, L. Chetouani, and T. F. Hammann 1013 Reconstructed Au(100) Surface Imaged with Scan- Surrealistic Böhm Trajectories ning Tunneling Microscopy in Air B.-G. Englert, M. O. Scully, G. Siissmann, T. Schilling, B. Tesche, and G. Lehmpfuhl 1187 and H. Walther 1175 Quantum-Mechanical Concepts in the Waveguides Optik Theory N. Marinescu and M. Apostol 935 Supplement to "Some Aspects of Minimally Rela- Brewster Condition for Planar Interfaces of Natural tivistic Newtonian Gravity" . . . . K. K. Nandi 918 Optically Active Media .... A. Lakhtakia (N) 921 Hydrogen in Electrodynamics. VIII. The Half-Integer Spin H. Sallhofer 619 Phasenumwandlungen Hydrogen in Electrodynamics. IX H. Sallhofer (N) 1262 Stability of the Liquid State of Concentrated Aqueous Cosmological Implications of the Planck Aether Solutions of Lithium Salts at Low Temperatures Model for a Unified Field Theory F. Winterberg 1217 T. Hasebe, R. Sato, K. Tanaka, On the Problem of a Finitistic Quantum Field Theory and R. Tamamushi (N) 543 F. Winterberg 545 The Phase Transition of Sulfate W. Kurtz 1039 Theoretical Melting Curves of Alkali Halides Röntgenstrahlung S. Sh. Soulayman 753 X-Ray Emission Wavelengths of Argon, Krypton, Application of the Pseudo-Spin Model to the Lowest- Xenon, and Curium H. Kleykamp 460 Temperature Phase Transition of the Mixed Crystal (NH4)2( K2;cPb[Cu(N02)6] W. Windsch, H. Braeter, and J. A. Gonzalo 728 Thermodynamik Photochemie Shock Waves Produced by Impulsive Load: Equation Radiolysis of Aqueous Ethanol in the Presence of CO of State Effects H.-R. Park and N. Getoff 985 S. A. Lifits, S. I. Anisimov, and J. Meyer-ter-Vehn 453 Photochemical Properties of 2-Aryl-3-Imino- On Lower Bounds for the Free Energy of the Hub- 1-Indones bard Model .... W.-H. Steeb and C. M. Villet 469 I. Timtcheva, N. Getoff, P. Nikolov, and R. M. Quint 1243 Erratum Porzellan Principal Component Analysis of Chinese Porcelains Topological Characteristics of Strictly Pericondensed from the Five Dynasties to the Qing Dynasty Constant-Isomer Benzenoid Series, Z. Naturforsch. C. T. Yap and Y. Hua 1029 45a, 1335 (1990) J. R. Dias 1096