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The crystal and molecular structure of 2,5‐dibromo‐1,4‐phenylenediyl bis(trans‐4‐ethylcyclohexanoate)
Author(s) -
Hartung H.,
Baumeister U.,
Schröter R.
Publication year - 1987
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170220321
Subject(s) - monoclinic crystal system , molecule , crystallography , crystal structure , crystal (programming language) , unit (ring theory) , chemistry , atom (system on chip) , symmetry (geometry) , group (periodic table) , crystallographic point group , stereochemistry , mathematics , geometry , mathematics education , organic chemistry , computer science , programming language , embedded system
The title compound with the formula C 2 H 5 C 6 H 10 COO‐C 6 H 2 Br 2 OOCC 6 H 10 C 2 H 5 (DPBEC) crystallizes in the monoclinic space group P2 1 /c with a = 15.37(2), b = 5.27(1), c = 15.13(2) Å, β = 92.7(1)° and two molecules per unit cell. The structure was solved using film intensity data by heavy atom method and refined to R = 0.078. The fully stretched DPBEC molecules exhibit exact C i symmetry. Their packing in the crystal is characterized by a non‐parallel (cross) arrangement of the molecular long axes.
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