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A second monoclinic polymorph of 1-benzyl-N-methyl-1H-pyrrole-2-carboxamide.

ABSTRACT: In the title compound, C(13)H(14)N(2)O, the N(pyrrole)-C(H(2))-C-C torsion angle is -7.7?(3)° and the dihedral angle between the pyrrole and benzene rings is 83.6?(2)°. In the crystal, inter-molecular N-H?O hydrogen bonds link the mol-ecules into chains extending along the c axis. We have previously reported another polymorphic form of this title compound, which has the same space group with different cell parameters: a = 9.8285?(18)?Å, b = 23.588?(4)?Å, c = 9.9230?(17)?Å, ? = 90.107?(3)°, Z = 8 and V = 2300.5?(7)?Å(3) [Zeng et al. (2010 ?). Acta Cryst. E66, o2051].

SUBMITTER: Wang CJ 

PROVIDER: S-EPMC3200776 | biostudies-literature | 2011 Sep

REPOSITORIES: biostudies-literature

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A second monoclinic polymorph of 1-benzyl-N-methyl-1H-pyrrole-2-carboxamide.

Wang Chang Jun CJ   Zeng Xiang Chao XC   Xu Shi Hai SH  

Acta crystallographica. Section E, Structure reports online 20110802 Pt 9

In the title compound, C(13)H(14)N(2)O, the N(pyrrole)-C(H(2))-C-C torsion angle is -7.7 (3)° and the dihedral angle between the pyrrole and benzene rings is 83.6 (2)°. In the crystal, inter-molecular N-H⋯O hydrogen bonds link the mol-ecules into chains extending along the c axis. We have previously reported another polymorphic form of this title compound, which has the same space group with different cell parameters: a = 9.8285 (18) Å, b = 23.588 (4) Å, c = 9.9230 (17) Å, β = 90.107 (3)°, Z = 8  ...[more]

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