Further investigations of the reactivity of η2-bonded nitroso complexes of platinum. The crystal structure of Pt(PPh3)2(PhNO)

Article abstract of DOI:10.1016/0022-328X(87)80293-0

The crystal structure of Pt(PPh3)2(PhNO) (I) has been determined.This is the first example of a structure determination for a monmeric complex of a metal in a low oxidation state and bearing an η²-bonded nitroso ligand.Compound I crystallizes in the monoclinic space group P2₁/c (NO. 14) with a 14.228(4), b 13.914(3), c 17.855(4) Angstroem, β 100.31(2) grad, V 3478(3) Angstroem³ and Z = 4.Final R and R_w indices are 0.026 and 0.030 for 3609 observed reflections (I >= 3 ?(I)).The new complexes Pt(PPh3)(RNO) (R = Bu^t(II), CF3(III)) have been synthesized and their reactions with CO2, CS2, PhNCO, PhNCS, CO, alkenes and dimethyl acetylenedicarboxylate have been investigated and compared with those of the previously studied compound I.Preliminary observations on the synthesis and reactivity of Pd(PPh3)2(CF3NO) (IV) are also reported.