Zero-, one- and two-dimensional hydrogen-bonded structures in the 1:1 proton-transfer compounds of 4,5-dichloro­phthalic acid with the monocyclic heteroaromatic Lewis bases 2-amino­pyrimidine, nicotin­amide and isonicotinamide

Smith, G.; Wermuth, U.D.; White, J.M.

doi:10.1107/S0108270109004405

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 6
The zigzag hydrogen-bonded chains formed by extension of the cation–anion pairs and the peripherally attached methyl monoester adduct B molecules in the structure of (III)

, in a perspective view of the unit cell. Non-interacting H atoms have been omitted. [Symmetry code: (ii) x − $[{1\over 2}]$ , y + $[{3\over 2}]$ , z − $[{1\over 2}]$ ; see Table 3

for symmetry code (i).]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 65| Part 3| February 2009| Pages o103-o107

doi:10.1107/S0108270109004405

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