Einkristall‐Röntgenstrukturanalysen an Verbindungen mit Kovalenter Metall‐Metall‐Bindung, I. Die Molekül‐und Kristallstruktur von Octacarbonyl‐bis‐[μ‐(pentacarbonylmangan)gallium(III)]‐dimangan und Octacarbonyl‐bis[μ‐(pentacarbonylmangan)indium(III)]‐dimangan
- 1 September 1974
- journal article
- research article
- Published by Wiley in European Journal of Inorganic Chemistry
- Vol. 107 (9) , 2860-2869
- https://doi.org/10.1002/cber.19741070908
Abstract
Die Titelverbindungen sind isomorph. Die Moleküle Mn2(CO)8{μ‐MMn(CO)5}2 (M = Ga, In) zeigen im Aufbau keine wesentlichen Unterschiede. Sie enthalten einen ebenen M2Mn2‐Metallring, in dem der MnMn‐Abstand [Ga: MnMn = 3.052 (1) Å; In: MnMn = 3.227 (1) Å] und der spitze Winkel am Brückenatom Ga bzw. In [MnGaMn = 76.86 (2)°, MnInMn = 76.36 (2)°] eine Bindung zwischen den Manganatomen erkennen lassen. Die Mn‐Atome der beiden Mn(Co)5 Liganden liegen in trans‐Stellung zur M2Mn2‐Ringebene vor. Die Mittelwerte der übrigen Bindungsabstände betragen: GaMn = 2.451 (1) Å, InMn = 2.605 (1) Å, MnC = 1.842 (5) Å und MnC = 1.804(4) Å, CO = 1.144(7) Å.Keywords
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