4,4′-Bipyridine–5-fluoroisophthalic acid (1/1)
نویسنده
چکیده
Co-crystallization of 5-fluoro-isophthalic acid (H(2)fip) with 4,4'-bipyridine (bipy) leads to the formation of the title compound [(H(2)fip)(bipy)], C(8)H(5)FO(4)·C(10)H(8)N(2), with an acid-base molar ratio of 1:1. The acid and base subunits are arrange alternately in the crystal structure, displaying a wave-like tape motif via inter-molecular O-H⋯N and C-H⋯O hydrogen bonds [carbox-yl-pyridine synthon of R(2) (2)(7) hydrogen-bond notation], which are further combined into a two-dimensional architecture through C-H⋯F inter-actions involving the bipy and H(2)fip mol-ecules.
منابع مشابه
4,4′-Bipyridine–2-methoxybenzoic acid (1/2)
The asymmetric unit of the title compound, C(10)H(8)N(2)·2C(8)H(8)O(3), contains two 2-meth-oxy-benzoic acid mol-ecules and one 4,4'-bipyridine mol-ecule. The 4,4'-bipyridine mol-ecule is disordered over two positions in a 1:1 ratio. In the crystal, the 2-meth-oxy-benzoic acid and 4,4'-bipyridine mol-ecules are connected by inter-molecular O-H⋯N hydrogen bonds. The dihedral angle between the ca...
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In the title 1:2 adduct, C(10)H(8)N(2)·2C(7)HF(5)O(2), the complete 4,4'-bipyridine mol-ecule is generated by a crystallographic twofold axis. The components of the adduct are linked by inter-molecular O-H⋯N hydrogen bonds and further connected by a combination of C-H⋯O, C-H⋯F and F⋯F [2.859 (2) Å] inter-actions.
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The asymmetric unit of the title compound, 2C(7)H(2)F(4)O(2)·C(10)H(8)N(2), contains one mol-ecule of 2,3,4,5-tetra-fluoro-benzoic acid (tfb) and half of a centrosymmetric 4,4'-bipyridine mol-ecule. Inter-molecular O-H⋯N hydrogen bonds link two tfb mol-ecules and one 4,4'-bipyridine mol-ecule into a trimer. Weak inter-molecular C-H⋯F inter-actions assemble these trimers into a three-dimensional...
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