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首页> 外文期刊>Journal of chemical crystallography >Structure of the adduct of bis(O,O '-diisopropyldithiophosphato) metal with pyridine: Ni[(iPrO)(2)PS2](2)(py)(2) and Cd[(iPrO)(2)PS2](2) (py)(2)(py = pyridine)
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Structure of the adduct of bis(O,O '-diisopropyldithiophosphato) metal with pyridine: Ni[(iPrO)(2)PS2](2)(py)(2) and Cd[(iPrO)(2)PS2](2) (py)(2)(py = pyridine)

机译:双(O,O'-二异丙基二硫代磷酸根)金属与吡啶的加合物结构:Ni [(iPrO)(2)PS2](2)(py)(2)和Cd [(iPrO)(2)PS2](2) )(py)(2)(py =吡啶)

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The crystal and molecular structures of the complex of [N-i{(iPrO)(2)dtp}(2)(py)(2)] and [Cd{(iPrO)(2)dtp}(2)(py)(2)] (dtp=dithiophosphate, py=pyridine) have been determined by X-ray crystallography. They are isomorphous. The crystal structures are very similar and consist of discrete molecules of [Ni{(iPrO)2dtp}(2)(py)(2)] and [Cd{(iPrO)(2)dtp}(2)(py)(2)], respectively. They both crystallize in the monoclinic system, space group P2(1)/c, the former with lattice parameters a=6.489(1)Angstrom, b=14.830(3) Angstrom, c=16.386(3) Angstrom, beta=99.74(3) and Z=2; the latter with a=6.461(3)Angstrom, b=14.583(4) Angstrom, c=17.433(4) Angstrom, beta=99.53(3)degrees, and Z=2. They all display distorted octahedral geometry around the central metal atom. In the complexes, two O,O'-diisopropyl dithiophosphate ions act as bidentate ligands with their S atoms coordinated to metal. Each forms a four-membered chelate ring in the equatorial plane. The N atoms from two pyridine ligands are axially coordinated to the metal atom. The Ni-S bond distances are 2.5137(10) and 2.5386(9)Angstrom, and the Ni-N bond distances are 2.127(3) Angstrom. The Cd-S(1) and Cd-S(2) bond distance are 2.694(1) and 2.704(1) Angstrom, respectively, and the Cd-N bond distances are 2.399(3) Angstrom. The IR spectra data is in agreement with the structural data. [References: 18]
机译:[Ni {(iPrO)(2)dtp}(2)(py)(2)]和[Cd {(iPrO)(2)dtp}(2)(py)(2)的配合物的晶体和分子结构)](dtp =二硫代磷酸酯,py =吡啶)已通过X射线晶体学测定。它们是同构的。晶体结构非常相似,由[Ni {(iPrO)2dtp}(2)(py)(2)]和[Cd {(iPrO)(2)dtp}(2)(py)(2)的离散分子组成)], 分别。它们都在单斜晶系空间群P2(1)/ c中结晶,前者的晶格参数为a = 6.489(1)埃,b = 14.830(3)埃,c = 16.386(3)埃,beta = 99.74( 3)并且Z = 2;后者的a = 6.461(3)埃,b = 14.583(4)埃,c = 17.433(4)埃,β= 99.53(3)度和Z = 2。它们都在中心金属原子周围显示出扭曲的八面体几何形状。在络合物中,两个O,O'-二异丙基二硫代磷酸根离子充当二齿配体,其S原子与金属配位。它们各自在赤道平面上形成四元螯合环。来自两个吡啶配体的N原子与金属原子轴向配位。 Ni-S键距为2.5137(10)和2.5386(9)埃,Ni-N键距为2.127(3)埃。 Cd-S(1)和Cd-S(2)的键距分别为2.694(1)和2.704(1)埃,Cd-N的键距为2.399(3)埃。 IR光谱数据与结构数据一致。 [参考:18]

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