4-Oxo-N-phenyl-4H-chromene-2-carboxamide and of a new polymorph of 7-meth­oxy-4-oxo-N-p-tolyl-4H-chromene-2-carboxamide and its hemihydrate

Reis, J.; Gaspar, A.; Borges, F.; Gomes, L.R.; Low, J.N.

doi:10.1107/S0108270113029727

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 3
A view of the asymmetric unit of hemihydrate (3a), showing the atom-numbering scheme. Displacement ellipsoids are drawn at the 70% probability level. The dashed lines indicate the intramolecular hydrogen bonds and the hydrogen bond between atom N2 and the water molecule.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 69| Part 12| November 2013| Pages 1527-1533

doi:10.1107/S0108270113029727

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