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Syntheses and Crystal Structures of Cobalt(Ⅱ) and Nickel(Ⅱ) Coordination Polymers with 3-Aminobenzoic Acid Ligand

机译:3-氨基苯甲酸配体的钴(Ⅱ)和镍(Ⅱ)配位聚合物的合成及晶体结构

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摘要

Two coordination polymers, [ML_2]_n (M = Co (1), Ni (2), L = 3-aminobenzoic acid anion), were synthesized by hydrothermal reaction, and their crystal structures were determined by X-ray diffraction analysis. Both compounds crystallize in monoclinic, space group P2_l with a = 8.8029(8), b = 4.5297(4), c = 15.2002(14) A, β= 105.6280(10)°, C_(14)H_(12)CoN_2O_4, M_r= 331.19, Z= 2, V = 583.69(9) A~3, D_c = 1.884 g/cm~3, μ =1.490 mm~(-1), F(000) = 338, R = 0.0234 and wR = 0.0679 for 1337 observed reflections (I > 2σ(I)) for 1, and a = 8.7501(7), b = 4.5191(4), c = 15.1448(12) A, β = 105.7730(10)°, C_(14)H_(12) NiN_2O_4, M_r= 330.97, Z = 2, V= 576.31(8) A~3, D_c= 1.907 g/cm~3,μ = 1.703 mm~(-1), F(000) = 340, R = 0.0206 and wR = 0.0572 for 1209 observed reflections (I> 2σ(I)) for 2. In the title complexes, the M (Ⅱ ion presents an octahedral geometry with four oxygen donors in the equatorial positions and two nitrogen donors in the axial positions. Each of the complexes has a two-dimensional network structure that is formed by the bridging of the ligand in a μ_3-bridging mode via its amino and carboxyl groups.
机译:通过水热反应合成了两种配位聚合物[ML_2] _n(M = Co(1),Ni(2),L = 3-氨基苯甲酸阴离子),并通过X射线衍射分析确定了它们的晶体结构。两种化合物均在单斜晶空间群P2_1 / n中结晶,其中a = 8.8029(8),b = 4.5297(4),c = 15.2002(14)A,β= 105.6280(10)°,C_(14)H_(12) CoN_2O_4,M_r = 331.19,Z = 2,V = 583.69(9)A〜3,D_c = 1.884 g / cm〜3,μ= 1.490 mm〜(-1),F(000)= 338,R = 0.0234和对于1个观测到的1337次反射(I>2σ(I)),wR = 0.0679(a = 8.7501(7),b = 4.5191(4),c = 15.1448(12)A,β= 105.7730(10)°,C_ (14)H_(12)NiN_2O_4,M_r = 330.97,Z = 2,V = 576.31(8)A〜3,D_c = 1.907 g / cm〜3,μ= 1.703 mm〜(-1),F(000) = 340,R = 0.0206,wR = 0.0572(对于2的1209次观察到的反射(I>2σ(I)))。在标题配合物中,M(Ⅱ离子呈八面体几何形状,在赤道位置具有四个氧供体,两个氮每个配合物均具有二维网络结构,该结构由配体通过其氨基和羧基以μ_3桥接方式桥接而形成。

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