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The crystal structure of nematogenic 2‐bromo‐1,4‐phenylenediyl bis(trans‐4‐n‐propylcyclohexanoate) — a special kind of disorder
Author(s) -
Hartung H.,
Winter G.
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.2170220220
Subject(s) - triclinic crystal system , crystal structure , molecule , crystallography , chemistry , stereochemistry , materials science , organic chemistry
The title compound with the formula C 3 H 7 –C 6 H 10 –COO–C 6 H 3 BrOOCC 6 H 10 C 3 H 7 (BPBPC) crystallizes in a triclinic unit cell with dimensions a = 5.822(2), b = 8.732(3), c = 13.016(5) Å, α = 94.42(3)°, β = 93.47(3)°, γ = 104.85(2)° containing one molecule. The structure has been solved by heavy atom method and refined to R = 0.083. The BPBPC molecules adopt an optimum stretched form and exhibit pseudo‐centrosymmetry in consequence of a special kind of disorder within the crystal lattice.
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