Two-dimensional hydrogen-bonded supra­molecular networks in the compounds of benzene-1,2,4,5-tetra­carb­oxy­lic acid (pyromellitic acid) with 2,2′-bi­imidazole and 4,4′-di­methyl-2,2′-bi­pyridine

Zhong, K.-L.

doi:10.1107/S0108270113030801

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 2
A view of the two-dimensional hydrogen-bonded network of (I)

along the b axis, showing the formation of R₂²(9) and R₆⁵(34) motifs. The dashed lines represent O—H⋯O interactions. [Symmetry codes: (i) −x + 1, −y + 1, −z + 2; (ii) −x + 1, −y, −z; (iii) −x, −y + 1, −z + 1; (v) −x + 2, −y + 1, −z + 1; (vii) x, y − 1, z.]

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 69| Part 12| November 2013| Pages 1537-1540

doi:10.1107/S0108270113030801

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