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The Structures of Medium‐Ring Compounds. Part XVII. Crystal and molecular structures of cis ‐cyclodecene. 1/2 AgNO 3 and 1,1,4,4‐tetramethyl‐ cis ‐cyclodec‐7‐ene. 1/2 AgNO 3
Author(s) -
Ermer O.,
Eser H.,
Dunitz J. D.
Publication year - 1971
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19710540810
Subject(s) - chemistry , monoclinic crystal system , orthorhombic crystal system , ring (chemistry) , crystallography , molecule , crystal structure , stereochemistry , crystal (programming language) , group (periodic table) , organic chemistry , computer science , programming language
The crystal structures of cis ‐cyclodecene. 1/2 AgNO 3 (monoclinic, a = 5.329, b =14.53, c =27.17 Å, β=92.02°, space group C 2/ c ) and of 1,1,4,4‐tetramethyl‐ cis ‐cyclodec‐7‐ene · 1/2 AgNO 3 (orthorhombic, a =5.879, b =16.86, c =28.39 Å, space group C 222 1 ) have been determined. The relative arrangement of Ag + cations, NO 3 − anions and cyclo‐olefin molecules are very similar in the two crystals, but the conformations of the ring skeletons are very different.