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Acta Cryst. (2007). E63, m1638 [ doi:10.1107/S160053680702185X ]
A second polymorph of [1,3-bis(diphenylphosphino)propane]tetracarbonylmolybdenum(0)
Abstract: A new polymorphic form of the title compound, [Mo(C27H26P2)(CO)4], has been crystallized and structurally characterized. The new polymorph, (I), is monoclinic in the space group P21/c, with one molecule in the asymmetric unit, while the previously reported polymorph, (I'), is orthorhombic in the space group Pnma, with one half-molecule in the asymmetric unit and lies on a mirror plane. The geometry at the Mo centres is octahedral in both (I) and (I'), while both phosphines coordinate in a cis fashion.
Online 10 May 2007
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