o (1991 ACTA PHYSICA POLONICA A o 1 THE DYNAMICS OF BENZENE MOLECULES IN LIQUID CARBON TETRACHLORIDE SOLUTION* EWAOWSKA UMAKA A ŚIWIŃSKI GYWAC Isiue o Eeimea ysics Uiesiy o Gańsk Wia Swosa 57 -95 Gańsk oła (Received April 23' 1990; in final version May 8' 1991) esułs o e iesigaios o C6 a CC iay sołuios y wo meos isesio o ig a iscomey as ucios o e coceaio a emeaue ae eoe ACS umes 51+- 33 35Y . Intrdtn I is we-kow a e yamics o moecues ees o o eme- aue a e eiome We a moecue is i iqui souio e aoe meioe acos ca iuece sogy e cages o e iemoecua oces Moecues wic ae eie cage o cosa ioe mome ieac maiy y ea—oes oces wic sogy ee o e sae o moecues a ei ieisaces eee souio i cao eacoie is a yica moe o suc a sysem e aim o ou measuemes was o oai iomaio o e iuece o CC seica moecues o e yamics a oieaio o ae C moecues 2. h thd f nvttn nd prprtn f pl I e ese ae e iesigaios o e C a CC iay souios y wo meos isesio o ig a iscomey as ucios o coceaio a emeaue ae eoe •Spprtd b C 0.2 rr. (15 1 ewaowska umaka A Ś iwiński Gywac e iesigaio meos aie wee escie i eious aes [1 3] ey eae ayeigs ime o oaioa eaaio o e oaie wi a ac- cuacy o % a e coeicie o iscosiy wi e accuacy o 1% o e coceaio measuemes soes o seca uiy (uka ae ee ai- ioay uiie y cemica meos [] e measuemes wee caie ou as ucios o coceaio (o г K a emeaue (o K a saiie wi a accuacy u o 3 K e coceaio cages i I(ω sae a i e iesiies o eoaie ayeigs secum as we as e coceaio a emeaue cages o iscosiy wee eemie . lt f th rnt 3.1. Dispersion of light e iesiy i e maimum o e eoaie ayeigs secum I(ω wee igue sows a eame o e eaie iesiy o I(ω secum us eaig a cocusio o e aw a e mai coiuio o e iesiy o isese ig is ue o eee moecues A coceaio 5 a eiaio om e iea eeece o I (x) is osee e eaaio ime o eee moecues i CC souio was eemie om e a wi o e secum e esus ae sow as a ucio o co- ceaio i ig 3 e ecease i e eaaio ime wi iceasig C The dynamics of benzene molecules in liquid ... 17 18 ewaowska umaka A Śiwiński Gywac concentration in the solution is observed. Similar concentration changes of τAY i CS + CCI a C3C + CC souios wee osee y esmo [] 3.2. Shear viscosity coefficient A eame o e emeaue cages i e sea iscosiy coeicie o C + CC souio is sow i ig A souios isay emeaue cages The dynamics of benzene molecules in liquid ... 19 Accoig o Wesmeie [5] a iakow [] aiioa iomaio o e ocesses occuig i e sysem ca e oaie y aaysig e emeaue coeicie o iscosiy igue 5 sows e emeaue eeece o α A ecease o α wi e icease o emeaue is osee e isoems o e coceaio eee α coei- cie ae sow i ig e maimum o α coeicie occus a a coceaio o aou 5% o a souios iesigae β eceases wi e icease o emeaue A oa emeaue cage o o β a gie coceaio oes o ecee 0%. 4. n f rlt e comaiso o I0 (x) a α( sow i igs 1 a eaes e co- eaio ewee e aoe aues o e ou Oe auos [ 5] sugges a e eisece o maimum i e α( cues oes a a iemoecua com- e is ceae Geeay e eaio ewee e iesiy o isese ig a e egee o moecua oieaio i e meium is kow e ecease o e isoieaio esus i e icease i e iesiy o isese ig I ca e esume a aou e coceaio x = 5 a sucua cage soge a a o oe coceaios i so-age oeig occus e mea iemoecua isaces cacuae y e aoimaio wi "a ace ceee cuic sucue" amou o 97 Å a 5931 Å o ue CC a C66, eseciey 20 ewaowska umaka A Śiwiński Gywac e geomeica imesio o e eee moecue ae Muua eaios o e aoe aues sugges a C moecues i e eio- me o CC moecues cao oae eey aou e ais eeicua o e maimum iamee e CC 4 moecues ca simuae e eaie oe o e C moecues Accoig o ae [7] ee eis ou asic associaio yes o aa symmeic o moecues I e case o souios iesigae e aae oieaio o C 6 H6 moecues is e mos oae wic is aso i ageeme wi eeece o e ea- aio ime o coceaio sow i ig 3 is eeece wic is i acco- ace wi e measuemes o Ams e a [] eieces e icease o eee se-associaio wi e ecease o is coceaio 5 Cocusio e icease o e coeaio ime wi e ecease o coceaio o e C66 moecues i CC suggess a oaioa yamics o C moecues e- ceases we e ume o CC moecues i e meium iceases e cages o e asaioa yamics o moecues i souio ae ee osee wic i aicua agees wi e esus ise i ae I a ig 6. eeeces [1] ewaowska C ewa Acta Phys. Pol. A59 95 (191 [] esmo Ber. Bunsenges. Phys. Chem. 51 (197 The dynamics of benzene molecules in liquid ... 1 [3] umaka ewaowska Acta Phys. Pol. A0, 5 (19 [] I oge Preparatyka Organiczna' Wy auk-ec Wasawa 19 (i ois [5] S Wesmeie Z. Phys. Chem. 2, 5 (197 [] iakow Chemia Fiz. Roztworów Niewodnych, W Wasawa 193 (i ois [7] Mue MS Gi Trans. Faraday Soc. 6, (195 [] G Ams aue I auma ecoa J. Chem. Phys. , 531 (1973 [9] A og S Mui Eomas Trans. Faraday Soc. , 1 (193.