Structural and mechanistic investigation probing ligand substitution of nonacarbonylhydridohydridoditungsten

Syntheses of HW 2 (CO) 8 (P(p-C 6 H 4 ) 3 )(NO) (X=Me, X=OMe, X=F), HW 2 (CO) 7 (P(p-C 6 H 4 X) 3 ) 2 (NO) (X=Me, X=OMe, X=F), HW 2 (CO) 8 (AsPh 3 )(NO), [NMe 4 ] (HW 2 (CO) 7 (η 2 -S 2 CR 2 )(NO)] ( R 2 =Et 2 ; R 2 =-CH 2 (CH 2 )CH 2 ).