Synthesis, crystal structure, and magnetism of a dinuclear nickel(II) complex [Ni_2(MOBPT)_2(N_3)_4] centre dot 2H_2O

JIE YANG; WEI-WEI BAO; XIAO-MING REN

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Synthesis, crystal structure, and magnetism of a dinuclear nickel(II) complex [Ni_2(MOBPT)_2(N_3)_4] centre dot 2H_2O

机译：双核镍（II）配合物[Ni_2（MOBPT）_2（N_3）_4]中心点2H_2O的合成，晶体结构和磁性

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A dinuclear nickel(II) complex, [Ni_2(MOBPT)_2(N_3)_4] centre dot 2H_2O (MOBPT = 4-(p-methoxyphenyl)-3,5-bis(pyridine-2-yl)-l,2,4-triazole), has been synthesized and characterized by elemental analysis, UV, IR, ESI-MS, and single crystal X-ray crystallography. The complex crystallizes in triclinic system, space group P1-bar with a = 9.877(2)A, b= 10.396(2)A, c= 11.975(3)A, alpha = 71.638(3) deg, beta = 74.968(3) deg, gamma = 64.747(3) deg, V= 1044.2(4)A~3, Z= 1, R = 0.0371 for 5774 observed reflections. The crystal structure determination shows that the dinuclear Ni_2N_8 unit is almost planar with each Ni~(2+) coordinated by four nitrogens from two MOBPT ligands and two axial azides in a distorted octahedral geometry. Magnetic measurements reveal weak antiferromagnetic exchange in the complex.

机译：双核镍（II）配合物[Ni_2（MOBPT）_2（N_3）_4]中心点2H_2O（MOBPT = 4-（对甲氧基苯基）-3,5-双（吡啶-2-基）-1,2，（4-三唑），已经通过元素分析，UV，IR，ESI-MS和单晶X射线晶体学合成并表征。该复合物在三斜晶系系统中结晶，空间群P1-bar的a = 9.877（2）A，b = 10.396（2）A，c = 11.975（3）A，alpha = 71.638（3）度，beta = 74.968（3 ）度，伽马= 64.747（3）度，V = 1044.2（4）A〜3，Z = 1，R = 0.0371，观察到5774个反射。晶体结构的确定表明，双核Ni_2N_8单元几乎是平面的，每个Ni〜（2+）都由扭曲的八面体几何形状的两个MOBPT配体和两个轴向叠氮化物的四个氮配位。磁性测量结果显示该复合物中弱的反铁磁交换。

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《Journal of Coordination Chemistry》 |2009年第11期|共8页
作者
JIE YANG; WEI-WEI BAO; XIAO-MING REN;
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正文语种 eng
中图分类无机化学;
关键词
Crystal structure; Dinuclear complex; Triaryltriazole; Nickel(II); Magnetic property;

机译：晶体结构;双核配合物;三芳基三唑;镍（II）;磁性;

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Synthesis, crystal structure, and magnetism of a dinuclear nickel(II) complex [Ni_2(MOBPT)_2(N_3)_4] centre dot 2H_2O

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