Metal-metal-bonded complexes of the early transition metals. 7. The

Inorg. Chem. 1983, 22, 1877-1883

1877

Contribution from the Department of Chemistry, The University of Michigan, Ann Arbor, Michigan 48 109, and The Molecular Structure Center, Indiana University, Bloomington, Indiana 47405

Metal-Metal-Bonded Complexes of the Early Transition Metals. 7. The Ditungsten Tetracarboxylate Story' D. J. SANTURE,2aK. W. McLAUGHLIN,~~ J. C. HUFFMAN,Zband A. P. SATTELBERGER+'* Received November 24. 1982

Tetrakis(trifluoroacetato)ditungsten(II), W2(02CCF3)4 or WZ(TFA),,has been obtained from the reaction of W2C14(THF)4 and sodium trifluoroacetate in tetrahydrofuran. It is a volatile, thermally stable (