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Cluster chemistry : X. Preparation of 1,2-bis(diphenylphosphino)ethane derivatives of Ru3(CO)12: crystal and molecular structures of Ru3(CO)10(η-PH2PCH2CH2PPh2) by Michael I. Bruce; Trevor W. Hambley; Brian K. Nicholson; Michael R. Snow is a Chemistry article available to read on EtoBox.

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The reactions of dppe with RUDER catalysed by Ph&O' have been investigated, Under the appropriate conditions Rua(CO)11(PPh2CH2CHzPPhz) (with only one P atom coordinated), [Ru3(CO)11]z(l.r-dppe), (with one dppe ligand bridging two RUDER clusters), Rug(CO)lO(p-dppe) and Ru3(CO)s(p-dppe)a (both with dppe bridging Ru-Ru bonds) can all be isolated in good yields. A full X-ray crystallographic analysis of Ru,(CO),&-dppe) shows that it crystallizes in the triclinic system, space group Pi, 0: 10.615(2), b 11.769(6), c 16.584(4) A, (Y 75.68(2), p 84.59(2), y 69.64(2)". The structure was refined to R = 0.030, R, = 0.034 using 3558 data with I> 2.5 a(1). The dppe ligand bridges a Ru-Ru bond (2.856(l) A), occupying equatorial sites on adjacent Ru atoms. Other distances: non-bridged Ru-Ru bonds are 2.855(l), 2.847(l); Ru-P, 2\_330(2) A\_ \* For part IX. see ret 1. \*\* On leave from the University of Waikato.

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Author

Michael I. Bruce; Trevor W. Hambley; Brian K. Nicholson; Michael R. Snow

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-328X)

Published

1982

Language

EN

Field

Chemistry (Physical Sciences)