首页> 外文期刊>Acta Crystallographica, Section B. Structural Science >Crystal and molecular structure of thiocarbonyl-ethoxo(tetraphenylporphyrinato)-ruthenium(II), [Ru(TPP)(CS)(HOC2H5)]. A case of centrosymmetric-noncentrosymmetric ambiguity
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Crystal and molecular structure of thiocarbonyl-ethoxo(tetraphenylporphyrinato)-ruthenium(II), [Ru(TPP)(CS)(HOC2H5)]. A case of centrosymmetric-noncentrosymmetric ambiguity

机译:硫代羰基-乙氧基(四苯基卟啉酮)-钌(II),[Ru(TPP)(CS)(HOC2H5)]的晶体和分子结构。中心对称-非中心对称歧义的情况

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摘要

[Ru(TPP)(CS)(EtOH)] crystallizes system. Crystal data: C47H34N4ORuS, a = 10.607 (3), b = 11.308 (5), c = 17.699 (2) Angstrom, alpha = 77.53(2), beta = 73.17(1), gamma = 69.85 (3)degrees, V = 1861.6 (10) Angstrom(3), P (1) over bar (C-i(l) no. 2), Z = 2, F(000) = 1 824, D-x = 1.410, D-m = 1.39 Mg m(-3) (by flotation in aqueous KI), mu(Mo K alpha) = 0.512 mm(-1), R = 0.094, wR = 0.098, S = 2.28 for 4610 independent reflections with F-0 > 5 sigma(F-0). A second data set was collected using Cu K alpha radiation. The structure was refined by standard least-squares and difference-Fourier methods in space groups P1 and P (1) over bar using both the Mo K alpha and Cu K alpha data sets. Both data sets favor space group P (1) over bar, the Mo data giving a slightly better result than the Cu data. The two independent Ru atoms Lie on the inversion centers 1/2,0,0 and 1/2,1/2,1/2 of space group P (1) over bar. Consequently, the two independent molecules have crystallographically imposed (1) over bar symmetry, the CS and EtOH axial groups are disordered and the RuN4 portions of the molecules are planar. The deviations from planarity of the porphyrinato core are very small. The Ru-C-S groups are essentially Linear with an average Ru-C-S bond angle of 174 (1)degrees. The mean Ru-C(CS) and Ru-O (Et) bond lengths are 1.92 (4) and 2.15 (3) Angstrom, respectively.
机译:[Ru(TPP)(CS)(EtOH)]结晶体系。晶体数据:C47H34N4ORuS,a = 10.607(3),b = 11.308(5),c = 17.699(2)埃,α= 77.53(2),beta = 73.17(1),γ= 69.85(3)度,V = 1861.6(10)埃(3),棒(Ci(l)2号)上的P(1),Z = 2,F(000)= 1824,Dx = 1.410,Dm = 1.39 Mg m(-3 )(通过在KI水溶液中浮选),对于F-0> 5σ(F-0)的4610次独立反射,mu(Mo K alpha)= 0.512 mm(-1),R = 0.094,wR = 0.098,S = 2.28 。使用Cu K alpha辐射收集第二个数据集。使用Mo K alpha和Cu K alpha数据集通过标准最小二乘法和差分Fourier方法在空间组P1和P(1)上对结构进行了细化。这两个数据集都偏爱空间组P(1),而不是bar,Mo数据的结果略好于Cu数据。两个独立的Ru原子位于bar上方空间群P(1)的反转中心1 / 2、0、0和1 / 2、1 / 2、1 / 2上。因此,两个独立的分子在晶体上强加于(1)条对称性上,CS和EtOH轴向基团无序,并且分子的RuN4部分是平面的。卟啉核的平面度偏差很小。 Ru-C-S基团基本上是线性的,平均Ru-C-S键角为174(1)度。 Ru-C(CS)和Ru-O(Et)键的平均长度分别为1.92(4)和2.15(3)埃。

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