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双[μ-1,2-双（二苯基膦基）甲烷-κP:P']双[（η-乙烯）镍（0）]甲苯二溶剂化物。

Bis[μ-1,2-bis-(diphenyl-phosphino)methane-κP:P']bis-[(η-ethene)nickel(0)] toluene disolvate.

作者信息

Langer Jens, Fischer Reinhald, Görls Helmar, Walther Dirk

机构信息

Friedrich-Schiller-Universität Jena, Institut für Anorganische und Analytische Chemie, August-Bebel-Strasse 2, D-07743 Jena, Germany.

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2008 Jan 25;64(Pt 2):m412. doi: 10.1107/S1600536808002110.

DOI:10.1107/S1600536808002110
PMID:21201358
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2960292/
Abstract

In the title compound, [Ni(2)(C(2)H(4))(2)(C(25)H(22)P(2))(2)]·2C(7)H(8), each Ni atom is coordinated in a trigonal-planar geometry by two P atoms of the bridging 1,2-bis-(diphenyl-phosphino)methane (dppm) ligands and by the centroid of the double bond of an ethene ligand. An eight-membered ring comprising the two Ni atoms, four P atoms and the CH(2) groups of the two dppm ligands is thus formed. The methyl group in one of the solvent toluene mol-ecules is disordered over two positions with equal occupancies.

摘要

在标题化合物[Ni₂(C₂H₄)₂(C₂₅H₂₂P₂)₂]·2C₇H₈中，每个镍原子通过桥连的1,2-双（二苯基膦基）甲烷（dppm）配体的两个磷原子以及乙烯配体双键的质心以三角平面几何构型配位。由此形成了一个由两个镍原子、四个磷原子和两个dppm配体的CH₂基团组成的八元环。其中一个溶剂甲苯分子中的甲基在两个位置上无序分布，占有率相等。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f562/2960292/59edebb68291/e-64-0m412-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f562/2960292/59edebb68291/e-64-0m412-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f562/2960292/59edebb68291/e-64-0m412-fig1.jpg

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本文引用的文献

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A short history of SHELX.SHELX简史。
Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22. doi: 10.1107/S0108767307043930. Epub 2007 Dec 21.
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Utilisation of CO2 as a chemical feedstock: opportunities and challenges.将二氧化碳用作化学原料：机遇与挑战。
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A key step in the formation of acrylic acid from CO2 and ethylene: the transformation of a nickelalactone into a nickel-acrylate complex.由二氧化碳和乙烯生成丙烯酸的关键步骤：镍内酯向镍-丙烯酸酯络合物的转化。
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