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The Crystal and Molecular Structure of 1‐Methyl‐1‐Thionia‐Cyclohexane Iodide
Author(s) -
Gerdil Raymond
Publication year - 1974
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.19740570224
Subject(s) - chemistry , orthorhombic crystal system , cyclohexane , iodide , crystal structure , molecule , crystallography , atom (system on chip) , group (periodic table) , crystal (programming language) , stereochemistry , inorganic chemistry , organic chemistry , computer science , programming language , embedded system
Crystals of 1‐methyl‐1‐thionia‐cyclohexane iodide are orthorhombic with space group Pna2 1 , a = 18.036, b = 6.611, c = 7.420 Å, Z = 4. The crystal structure was solved by the heavy‐atom method. Very strong parameter interactions prevented least‐squares refinement of atoms other than S and I. The molecule adopts the chair conformation with the methyl group in equatorial position.