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Acta Crystallographica Section E T = 293 K Specimen prepared at 101 kPa Structure Reports Specimen shape: cylinder Specimen prepared at 293 K Online 40 1 1mm Particle morphology: needle, white ISSN 1600-5368 Data collection BM01B, ESRF, Grenoble Scan method: step Specimen mounting: 1.0 mm boro- Absorption correction: none Methylergometrine maleate from silicate glass capillary 2 min =0.5,2 max = 29.5 Specimen mounted in transmission Increment in 2 = 0.003 synchrotron powder diffraction data mode
Jan Rohlı´cˇek,a Michal Husˇa´k,a Bohumil Kratochvı´la and Refinement b Alexandr Jegorov * Rp = 0.060 (1987), asymmetry correction Rwp = 0.080 according to Finger et al. (1994)
a Rexp = 0.021 617 reflections Institute of Chemical Technology Prague, Technicka´ 5, 16628 Prague 6, Czech R = 0.088 100 parameters b B Republic, and Teva Czech Industries s.r.o., R&D, Branisˇovska´ 31, 370 05 Cˇ eske´ S = 3.76 96 restraints Budeˇjovice, Czech Republic Wavelength of incident radiation: H-atom parameters not refined Correspondence e-mail: [email protected] 0.6996 A˚ Preferred orientation correction: Excluded region(s): none March–Dollase (Dollase, 1986); Received 13 October 2009; accepted 23 November 2009 Profile function: pseudo-Voigt direction of preferred orientation profile coefficients as para- - 011, MD = 1.26 Key indicators: powder synchrotron study; T = 293 K; mean (C–C) = 0.004 A˚; meterized in Thompson et al. R factor = 0.060; wR factor = 0.080; data-to-parameter ratio = 6.2.
Table 1 The title compound {systematic name: 9,10-didehydro-N-[1- Hydrogen-bond geometry (A˚ , ). d (hydroxymethyl)propyl]- -lysergamide maleate}, C20H26N3- D—H AD—H H AD AD—H A + O2 C4H3O4 , contains a large rigid ergolene group. This group consists of an indole plane connected to a six- O2s—H202 O4s 1.20 1.28 2.479 (5) 179 N13—H131 O3s 0.86 1.77 2.634 (4) 173 membered carbon ring adopting an envelope conformation O23—H232 O19i 0.83 2.12 2.925 (8) 160 and N-methyltetrahydropyridine where the methyl group is in N20—H201 O1sii 0.87 2.04 2.912 (5) 177 N1—H11 O19iii 0.88 2.03 2.852 (4) 154 an equatorial position. In the crystal, intermolecular N— Symmetry codes: (i) x 1; y; z; (ii) x 1; y þ 3; z; (iii) x; y 1; z þ 1. H O, O—H NandO—H O hydrogen bonds form an 2 2 2 2 extensive three-dimensional hydrogen-bonding network, Data collection: ESRF SPEC package (Certified Scientific Soft- which holds the cations and anions together. ware, 2003); cell refinement: GSAS (Larson & Von Dreele, 1994); data reduction: CRYSFIRE (Shirley, 2000); program(s) used to solve Related literature structure: FOX (Favre-Nicolin & Cˇ erny´, 2002); program(s) used to refine structure: GSAS; molecular graphics: Mercury (Macrae et al., For background to ergometrine, see: Dudley & Moir (1935); 2006) and PLATON (Spek, 2003); software used to prepare material Kharasch & Legault (1935). Formethylergometrine, see Stoll for publication: enCIFer (Allen et al., 2004). & Hofmann (1943). For crystal structure determinations of ergometrine, see: Cˇ ejka et al. (1996); Husˇa´k et al. (1998). This study was supported by the grant of the Czech Grant Agency (GACˇ R 203/07/0040) and by the research programs MSM6046137302 and NPV II 2B08021of the Ministry of Education, Youth and Sports of the Czech Republic. We acknowledge the European Synchrotron Radiation Facility for provision of synchrotron radiation facilities and we thank Denis Testemale for assistance in using beamline BM01B.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: CV2630).
References Allen, F. H., Johnson, O., Shields, G. P., Smith, B. R. & Towler, M. (2004). J. Experimental Appl. Cryst. 37, 335–338. Cˇ ejka, J., Husˇa´k, M., Kratochvı´l, B., Jegorov, A. & Cvak, L. (1996). Coll. Crystal data Czech. Chem. Commun. 61 1396–1404. + ˚ Certified Scientific Software (2003). SPEC. Certified Scientific Software, C20H26N3O2 C4H3O4 c = 33.1455 (4) A ˚ 3 Cambridge, MA, USA. Mr = 455.51 V = 2416.93 (5) A Dollase, W. A. (1986). J. Appl. Cryst. 19, 267–272. Orthorhombic, P212121 Z =4 a = 5.71027 (5) A˚ Synchrotron radiation Dudley, H. W. & Moir, C. (1935). Br. Med. J. 1, 520–523. ˇ b = 12.76978 (17) A˚ = 0.6996 A˚ Favre-Nicolin, V. & Cerny´, R. (2002). J. Appl. Cryst. 35, 734–743.
o3252 Rohlı´cˇek et al. doi:10.1107/S1600536809050351 Acta Cryst. (2009). E65, o3252–o3253 organic compounds
Finger, L. W., Cox, D. E. & Jephcoat, A. P. (1994). J. Appl. Cryst. 27, 892–900. Shirley, R. (2000). CRYSFIRE User’s Manual. Guildford, England: The Husˇa´k, M., Kratochvı´l, B. & Jegorov, A. (1998). Z. Kristallogr. 213, 195–196. Lattice Press. Kharasch, M. S. & Legault, R. R. (1935). Science, 81, 388. Spek, A. L. (2003). J. Appl. Cryst. 36, 7–13. Larson, A. C. & Von Dreele, R. B. (1994). GSAS. Report LAUR 86-748. Los Stoll, A. & Hofmann, A. (1943). Helv. Chim. Acta, 26, 944–965. Alamos National Laboratory, New Mexico, USA. Thompson, P., Cox, D. E. & Hastings, J. B. (1987). J. Appl. Cryst. 20, 79–83. Macrae, C. F., Edgington, P. R., McCabe, P., Pidcock, E., Shields, G. P., Taylor, R., Towler, M. & van de Streek, J. (2006). J. Appl. Cryst. 39, 453–457.