A novel metal-organic coordination polymer {[Co2(4-sphth)2(4,4'-bpyh(H2O)4]- [Co(4,4'-bpy)2(H2O)4]}, (4-sphth = 4-sulfophthalic acid, 4,4'-bpy = 4,4'-bipyridine) 1 has been hydrothermally synthesized an...A novel metal-organic coordination polymer {[Co2(4-sphth)2(4,4'-bpyh(H2O)4]- [Co(4,4'-bpy)2(H2O)4]}, (4-sphth = 4-sulfophthalic acid, 4,4'-bpy = 4,4'-bipyridine) 1 has been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analyses, IR spectroscopy, and magnetic susceptibility measurements. The complex crystallizes in monoclinic, space group C2/c with a = 18.893(6), b = 23.080(7), c = 22.473(7) A, fl = 107.311 (4)°, V = 9356(5) A^3, C76H70Co3N12O22S2, Mr = 1744.35, De = 1.238 g/cm^3,μ(MoKα) = 0.640 mm^-1, F(000) = 3596, Z = 4, the final R = 0.0444 and wR = 0.0846 for 9178 observed reflections (I 〉 2σ(I)). It exhibits a novel three-dimensional supramolecular network formed by hydrogen-bonding and π-π interactions. Variable-temperature magnetic measure shows an overall anti-ferromagnetic behavior for compound 1.展开更多
基金The project was supported by the Education Office of Jilin Province (No. 0047)
文摘A novel metal-organic coordination polymer {[Co2(4-sphth)2(4,4'-bpyh(H2O)4]- [Co(4,4'-bpy)2(H2O)4]}, (4-sphth = 4-sulfophthalic acid, 4,4'-bpy = 4,4'-bipyridine) 1 has been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analyses, IR spectroscopy, and magnetic susceptibility measurements. The complex crystallizes in monoclinic, space group C2/c with a = 18.893(6), b = 23.080(7), c = 22.473(7) A, fl = 107.311 (4)°, V = 9356(5) A^3, C76H70Co3N12O22S2, Mr = 1744.35, De = 1.238 g/cm^3,μ(MoKα) = 0.640 mm^-1, F(000) = 3596, Z = 4, the final R = 0.0444 and wR = 0.0846 for 9178 observed reflections (I 〉 2σ(I)). It exhibits a novel three-dimensional supramolecular network formed by hydrogen-bonding and π-π interactions. Variable-temperature magnetic measure shows an overall anti-ferromagnetic behavior for compound 1.