New organic–inorganic frameworks incorporating iso- and heteropoly­molybdate units and a 3,3′,5,5′-tetra­methyl-4,4′-bi-1H-pyrazole-2,2′-diium multiple hydrogen-bond donor

Lukashuk, L.V.; Lysenko, A.B.; Krautscheid, H.; Domasevitch, K.V.

doi:10.1107/S0108270111047159

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 4
(a) The hydrogen-bonded layer in the structure of (II)

, showing how the pyrazolium and aqua hydrogen-bond donors are situated between the bulky [SiMo₁₂O₄₀]⁴⁻ anions (depicted in a polyhedral representation). (b) A projection onto the ab plane, showing the [H₂Me₄bpz]²⁺ tectons as links between successive hydrogen-bonded layers. N and O atoms are shaded grey and dashed lines indicate hydrogen bonding. C-bound H atoms have been omitted for clarity.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 67| Part 12| November 2011| Pages m378-m383

doi:10.1107/S0108270111047159

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