Abstract
In the structure of the title complex, [Cs(C7H4NO2)(H2O)2]n, the caesium salt of 4-nitrobenzoic acid, the irregular CsO9 coordination sphere comprises three bridging nitro O-atom donors, a bidentate carboxylate O,O′-chelate interaction, a triple-bridging water molecule and a monodentate water molecule. A three-dimensional framework polymer is generated, within which there are water–carboxylate O—H⋯O and water–water O—H⋯O hydrogen-bonding interactions.
Highlights
In the structure of the title complex, [Cs(C7H4NO2)(H2O)2]n, the caesium salt of 4-nitrobenzoic acid, the irregular CsO9 coordination sphere comprises three bridging nitro O-atom donors, a bidentate carboxylate O,O0 -chelate interaction, a triple-bridging water molecule and a monodentate water molecule
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nitro substituent groups of the PNBA ligand link the sheets across c
Summary
R factor = 0.032; wR factor = 0.074; data-to-parameter ratio = 15.1. In the structure of the title complex, [Cs(C7H4NO2)(H2O)2]n, the caesium salt of 4-nitrobenzoic acid, the irregular CsO9 coordination sphere comprises three bridging nitro O-atom donors, a bidentate carboxylate O,O0 -chelate interaction, a triple-bridging water molecule and a monodentate water molecule. A three-dimensional framework polymer is generated, within which there are water–carboxylate O—H O and water–water O—H O hydrogen-bonding interactions. For structures of alkali metal salts of 4-nitrobenzoic acid, see: Turowska-Tyrk et al (1988) (Na); Srivastava & Speakman (1961) (K). For the structures of Na, K and Cs complexes with. For the structures of the 4-nitrobenzoic acid polymorphs, see: Groth (1980); Tonogaki et al (1993); Bolte (2009). Symmetry codes: (i) x 1; y; z; (ii) x þ 12; y þ 12; z þ 12; (iii) x þ 1; y; z þ 1
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