Interplay between dipolar, stacking and hydrogen-bond interactions in the crystal structures of unsymmetrically substituted esters, amides and nitriles of (R,R)-O,O′-dibenzoyltartaric acid

Rychlewska, U.; Warzajtis, B.

doi:10.1107/S010876810100430X

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 9
BOH3: Molecular shape dictates the arrangement of molecules along a twofold screw axis of length ∼18–19 Å. BOM1: slightly modified molecular arrangement leads to sandwich stacking. BOM3: another small variation gives rise to carbonyl dipolar interactions (dotted lines) and shortening of the unit-cell parameter to 14 Å (also observed in BCN3 which is isostructural with BOM3). H atoms have been omitted for clarity.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 57| Part 3| May 2001| Pages 415-427

doi:10.1107/S010876810100430X

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