4057
Inorg. Chem. 1984, 23, 4057-4064 angle (1 16O in la,b; 109.3’ in 9) accompanying Ir-Ir bond formation to force the N atoms somewhat toward tetrahedral geometry. Intramolecular contacts are significant (-3.2 A) in one region of molecule 9, between the chloropyrazolyl bridges and phenyl rings C(31)200 "C. Anal. Calcd for C34H44C12N2P2Pt: C, 50.76; H, 5.48. Found: C, 50.53; H, 5.41. (4) Knebel, W. J.; Angelici, R. J. Inorg. Chim. Acta 1973, 7, 713. Smith, R. T.;Baird, M. C. Inorg. Chim. Acta 1982, 62, 135. Ross, E. P.; Dobson, G. R. J. Inorg. Nucl. Chem. 1968,30,2363. McEwen, W. E.; Janes, A. B.; Knapczyk, J. W.; Kyllingstad, W. S.; Shore, S.; Smith, J. H. J . Am. Chem. SOC.1978, 100, 7304. ( 5 ) Mann, B. E. J . Chem. SOC.,Perkin Trans. 2 1972, 30.
0 1984 American Chemical Society
