Abstract
Reaction of the divalent phosphinoytterbocene Yb(C5H4PPh2)2(THF)(THF = tetrahydrofuran) with mercuric chloride in THF or toluene yields mercury metal and the lanthanoid(III) complex Yb(C5H4PPh2)2Cl. An X-ray crystal structure of the compound revealed the presence of two independent chloride-bridged dimers (one centrosymmetric, one non-centrosymmetric, in a ratio of 1:2) with uncoordinated Ph 2P groups and pseudo-tetrahedral eight coordination (two η5-C5H4PPh2 and two η-Cl ligands) at ytterbium. The dimers differ in the arrangement (syn, anti) of the Ph2P groups. Solution spectroscopic data suggest that there is P-Yb bonding in toluene.
Original language | English |
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Pages (from-to) | 183-190 |
Number of pages | 8 |
Journal | Journal of Organometallic Chemistry |
Volume | 462 |
Issue number | 1-2 |
DOIs | |
Publication status | Published - 14 Dec 1993 |