The beta-form of trans-3-(2-nitrophenyl)prop-2-enoic acid at 130 K
G Smith, UD Wermuth, DJ Young, JM White
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | BLACKWELL PUBLISHING | Published : 2006
The crystal structure of a non-centrosymmetric polymorphic modification of the title compound, C9H7NO4, determined at 130K, shows the presence of 21 screw-generated one-dimensional zigzag chains formed through catemeric C(4) syn-anti carboxylic acid hydrogen-bonding associations. © 2006 International Union of Crystallography. All rights reserved.