Metallaborane chemistry. Part II. Molecular and crystal structure of 1,1 -bis(dimethylphenylphosphine)-2,4-dimethyl-2,4-dicarba-1-platina-closo-dodecaborane
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 14,p. 1473-1478
- https://doi.org/10.1039/dt9750001473
Abstract
The structure of the title compound has been determined by single-crystal X-ray diffraction methods and refined to R 0.033 for 4073 independent observed reflections collected on a diffractometer. Crystals are triclinic, space group P, with a= 9.324(3), b= 10.285(4), and c= 14.208(8)Å, α= 100.40(4), β= 94.32(4), and γ= 98.95(3)°. The carbaborane fragment has a distorted icosahedral geometry with the carbon atoms at positions 2 and 4 (relative to the metal at 1). The platinum atom is ca. 1.81 Å above a (non-planar) C2B3 face which in turn is nearly perpendicular to the PtP2 plane. Pt–P Distances are 2.249(2) and 2.303(2)Å. All the hydrogen atoms in the molecule have been located and positionally refined.Keywords
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