Novel 12-vertex closo-hydridometallacarboranes
3,1,2-[(PPh3)2OsHXC2B9H11]
(1a,b: X =
Cl, H) and
3,1,2-[(PPh3)2OsH2-1,2-Me2C2B9H9]
(1c) have been synthesized via oxidative
addition of K+ salts of the nido-carborane
anions
[nido-7,8-R2-7,8-C2B9H10]-
(R = H, Me),
respectively, to OsCl2(PPh3)3
and characterized by spectroscopic (NMR and IR) as well as
by single-crystal X-ray diffraction studies of
1a,c.