A dimorphic Os(IV) complex with pyramidal sulfur inversion in a sulfanyl chelating ligand

Cerón M.; Meléndez L.; Bernès S.; Arroyo M.; Ramírez-Monroy A.

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A dimorphic Os(IV) complex with pyramidal sulfur inversion in a sulfanyl chelating ligand

机译：硫烷基螯合配体中具有金字塔硫倒置的双态Os（IV）配合物

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Coordination compound [Os(SC_6F_4H-4) _2 (SC_6 F_3H-4(SC_6F_4H)-2)(C _6H_5)] is obtained during the thermolysis of [Os(SC _6F_4H-4) _4 (PPh_6)] in non-dried toluene, as a product of C-F bond cleavage. The complex presents the expected trigonal-bipyramidal coordination geometry, with a thiolate-sulfanyl j2S,S'-ligand chelating the metal center in axial and equatorial sites. The complex was crystallized in the centrosymmetric space group C2/c and in the non-centrosymmetric space group Pna21. In both forms, the crystal is a RS racemate, with the chiral center being the axially coordinated sulfanyl S atom. In the case of the non centrosymmetric space group, the asymmetric unit retained for the refinement consists of two independent molecules related by a pyramidal sulfur inversion at the stereogenic center. Cell parameters: form I, C2/c, a = 20.8459(14) ?, b = 12.2646(12) ?, c = 25.253(3) ?, b = 91.582(7)°; form II, Pna2_1, a = 16.208(2) ?, b = 16.500(3) ?, c = 23.604(3) ?.

机译：在非干燥甲苯中[Os（SC _6F_4H-4）_4（PPh_6）]的热解过程中获得配位化合物[Os（SC_6F_4H-4）_2（SC_6 F_3H-4（SC_6F_4H）-2）（C _6H_5）]。，作为CF键断裂的产物。该配合物具有预期的三角-双锥体配位几何形状，在轴向和赤道位置具有硫醇盐-硫烷基j2S，S'-配体螯合金属中心。该络合物在中心对称空间群C2 / c和非中心对称空间群Pna21中结晶。在两种形式中，晶体都是RS外消旋体，手性中心是轴向配位的硫烷基S原子。在非中心对称的空间基团的情况下，保留用于精制的不对称单元由两个独立的分子组成，该两个独立的分子通过在立体生成中心的锥体硫反转而相关。像元参数：形式I，C2 / c，a = 20.8459（14），b = 12.2646（12），c = 25.253（3），b = 91.582（7）°;形式II，Pna2_1，a ＝ 16.208（2）α，b ＝ 16.500（3）α，c ＝ 23.604（3）α。

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《Journal of chemical crystallography》 |2012年第11期|共5页
作者
Cerón M.; Meléndez L.; Bernès S.; Arroyo M.; Ramírez-Monroy A.;
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正文语种 eng
中图分类晶体学;
关键词
C-F bond activation; Coordination complex; Enantiomers; Osmium; Racemate;

机译：C-F键活化;配位络合物;对映异构体;Racemate;

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1. A dimorphic Os(IV) complex with pyramidal sulfur inversion in a sulfanyl chelating ligand [J] . Cerón M., Meléndez L., Bernès S., Journal of chemical crystallography . 2012,第11期

机译：硫烷基螯合配体中具有金字塔硫倒置的双态Os（IV）配合物
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机译：双[N，N'-二异丙基苯甲酰胺基（-）]硅（II）活化二氧化硫：合成具有螯合O，O'-Sulfito或O，O'-Dithionito配体的中性六配位硅（IV）配合物
4. Preparation of Pt(II)-Complexes with both C-N Chelate and Sulfur-rich S-S Chelate Ligands and Their Oxidation [C] . Yusuke Suga, Motohiro Nakano, Gen-etsu Matsubayashi Symposium on Organometallic Chemistry . 2004

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5. Crystallographic studies of organoiodinanes, vanadium(IV) complexes with oxygen and sulfur donor ligands, and single crystal decomposition. [D] . McConville, David Brian. 2003

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A dimorphic Os(IV) complex with pyramidal sulfur inversion in a sulfanyl chelating ligand

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