A pseudo-quadruple hydrogen-bonding motif consisting of six N—H⋯O hydrogen bonds in trimethoprim formate

Umadevi, B.; Prabakaran, P.; Muthiah, P.T.

doi:10.1107/S0108270102011150

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 2
The two-dimensional supramolecular sheet structure of (I

) formed by TMP and formate ions. The pseudo-quadruple hydrogen-bonding motifs consisting of three fused rings are depicted. Atoms labelled with an asterisk (*), hash (#) or dollar sign ($) are at the symmetry positions (1 − x, y, $[{1 \over 2}]$ − z), (x, 1 − y, z + $[{1 \over 2}]$ ) and (−x, 1 − y, 1 − z), respectively.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 58| Part 8| July 2002| Pages o510-o512

doi:10.1107/S0108270102011150

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