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Synthese und Kristallstruktur von [ 15-Krone-5-CuCl(CH 3 CN)] + CuCl 3 - Synthesis and Crystal Structure of [15-Crown-5-CuCl(CH 3 CN)] + CuCl 3 -

1990; De Gruyter; Volume: 45; Issue: 1 Linguagem: Inglês

10.1515/znb-1990-0121

1865-7117

Dieter Fenske, Helmut Goesmann, Thilo Ernst, Kurt Dehnicke,

Crystal structures of chemical compounds

C ry sta l S tru c tu re T h e title c o m p o u n d h a s been p re p a re d by th e re a c tio n o f C u C l2 w ith 15-crow n-5 in a c e to n itrile so lu tio n .It fo rm s red, m o is tu re sensitive c ry stals, w h ic h w ere c h a ra c te riz e d b y a n X -ra y s tru c tu re d e te rm in a tio n .S pace g ro u p P 2 ,/c , Z = 4, 4092 o b se rv e d u n iq u e reflex io n s, R = 0.073.L a ttic e d i m e n sio n s (20 °C): a = 1136.7(6),b = 1352.1(7),c = 1475.1(9)p m , ß = 112.40(4)°.T h e c o m p o u n d fo rm s c a tio n s [1 5 -c ro w n -5 -C u C l(C H 3C N )]+, in w h ich th e c o p p e r a to m is se v e n -c o o rd in a te by th e five o x y g e n a to m s o f th e c ro w n e th e r m o lecu le in e q u a to ria l p o sitio n s , as well as by th e c h lo rin e a to m a n d th e n itro g e n a to m o f th e a c e to n itrile in a x ia l p o sitio n s .