Two polymorphs of N-(2-meth­oxy­phen­yl)-4-oxo-4H-chromone-3-car­box­amide

Gomes, L.R.; Low, J.N.; Borges, F.; Cagide, F.

doi:10.1107/S0108270113017538

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 7
Part of the crystal structure of polymorph B, showing the tetramer formed by the C22—H22⋯O131(−x + 1, −y + 1, −z + 1) hydrogen bond (dashed lines) linking the asymmetric unit into centrosymmetric pairs. H atoms not involved in the hydrogen bonding have been omitted.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 69| Part 8| July 2013| Pages 927-933

doi:10.1107/S0108270113017538

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