Hydrogen-bonded supra­molecular motifs in pyrimethaminium 4-methyl­benzoate, pyrimethaminium 3-hydroxy­picolinate and pyri­meth­aminium 2,4-di­chloro­benzoate

Thanigaimani, K.; Muthiah, P.T.

doi:10.1107/S0108270110002337

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 4
A view of the DADA and DDAA arrays of hydrogen bonds leading to a supramolecular ladder in (I)

. Dashed lines indicate hydrogen bonds and H atoms not involved in hydrogen bonding have been omitted. [Symmetry codes: (i) −x + 1, y, −z + $[{3\over 2}]$ ; (ii) −x + $[{1\over 2}]$ , −y + $[{1\over 2}]$ , −z + 1; (iii) x − $[{1\over 2}]$ , −y + $[{1\over 2}]$ , z − $[{1\over 2}]$ .]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 66| Part 3| February 2010| Pages o104-o108

doi:10.1107/S0108270110002337

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