4,4′-Bipyridine–pyridine-3,5-dicarboxylic acid (3/4)
نویسندگان
چکیده
In the title compound, 3C(10)H(8)N(2)·4C(7)H(5)NO(4), the asymmetric unit contains two mol-ecules of pyridine-3,5-dicarb-oxy-lic acid and one mol-ecule of 4,4'-bipyridine in general positions together with one mol-ecule of 4,4'-bipyridine lying across a centre of inversion, thus giving a 4:3 molar ratio of pyridine-3,5-dicarb-oxy-lic acid to 4,4'-bipyridine. The dihedral angle between the bipyridine rings on general positions is 21.2 (2)°. These mol-ecular units are linked by O-H⋯N hydrogen bonds forming an extended two-dimensional framework in the crystal.
منابع مشابه
catena-Poly[[[tetraaquacobalt(II)]-μ-4,4′-bipyridine-κ2 N:N′] pyridine-3,5-dicarboxylate trihydrate]
The crystal structure of the title compound, {[Co(C(10)H(8)N(2))(H(2)O)(4)](C(7)H(3)NO(4))·3H(2)O}(n), consists of Co(II) polymeric complex cations, uncoordinated pyridine-3,5-dicarboxyl-ate anions and lattice water mol-ecules. The Co(II) cation is coordinated by two N atoms from two 4,4'-bipyridine ligands and four water mol-ecules in a distorted octa-hedral geometry. The 4,4'-bipyridine ligan...
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