Two Co(Ⅱ) coordination polymers, namely [Co(L)Cl]n(1) and [Co(L)(CH3 COO)]n(2), {HL = 3,5-di(4 H-1,2,4-triazole-4-yl)benzoic acid}, were synthesized under hydrothermal conditions. Compound 1 crystallize...Two Co(Ⅱ) coordination polymers, namely [Co(L)Cl]n(1) and [Co(L)(CH3 COO)]n(2), {HL = 3,5-di(4 H-1,2,4-triazole-4-yl)benzoic acid}, were synthesized under hydrothermal conditions. Compound 1 crystallizes in orthorhombic system, space group Pmma with a = 7.032(5), b = 11.555(8), c = 8.185(5) A, V = 665.1(7) А3, Z = 2, Dc = 1.746 g/cm3, F(000) = 350, Mr = 349.61, μ = 1.504 mm(-1), the final R = 0.0568 and w R = 0.1739 for 2312 observed reflections with I 2σ(I). Compound 2 crystallizes in orthorhombic system, space group Pmma with a = 7.7505(17), b = 11.391(3), c = 8.0298(18) A, V = 708.9(3) A3, Z = 2, Dc = 1.748 g/cm3, F(000) = 378, Mr = 373.20, μ = 1.245 mm-1, the final R = 0.0350 and w R = 0.0873 for 5239 observed reflections with I 2σ(I). Single-crystal X-ray analyses revealed that complexes 1 and 2 exhibit similar 2 D layer structures with uncoordinated carboxyl as dangling arms. The neighboring layers are further connected by these arms, leading to interest 2 D → 3 D polythreading frameworks. Moreover, the magnetic susceptibility study indicates compound 1 exhibits antiferromagnetic behavior.展开更多
基金supported by the National Natural Science Foundation of China(21372112)
文摘Two Co(Ⅱ) coordination polymers, namely [Co(L)Cl]n(1) and [Co(L)(CH3 COO)]n(2), {HL = 3,5-di(4 H-1,2,4-triazole-4-yl)benzoic acid}, were synthesized under hydrothermal conditions. Compound 1 crystallizes in orthorhombic system, space group Pmma with a = 7.032(5), b = 11.555(8), c = 8.185(5) A, V = 665.1(7) А3, Z = 2, Dc = 1.746 g/cm3, F(000) = 350, Mr = 349.61, μ = 1.504 mm(-1), the final R = 0.0568 and w R = 0.1739 for 2312 observed reflections with I 2σ(I). Compound 2 crystallizes in orthorhombic system, space group Pmma with a = 7.7505(17), b = 11.391(3), c = 8.0298(18) A, V = 708.9(3) A3, Z = 2, Dc = 1.748 g/cm3, F(000) = 378, Mr = 373.20, μ = 1.245 mm-1, the final R = 0.0350 and w R = 0.0873 for 5239 observed reflections with I 2σ(I). Single-crystal X-ray analyses revealed that complexes 1 and 2 exhibit similar 2 D layer structures with uncoordinated carboxyl as dangling arms. The neighboring layers are further connected by these arms, leading to interest 2 D → 3 D polythreading frameworks. Moreover, the magnetic susceptibility study indicates compound 1 exhibits antiferromagnetic behavior.