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Electron impact study of compounds with main group IV element to transition metal bonds

✍ Scribed by D.H. Harris; T.R. Spalding

Publisher: Elsevier Science
Year: 1980
Tongue: English
Weight: 538 KB
Volume: 39
Category: Article
ISSN: 0020-1693
DOI: 10.1016/s0020-1693(00)93653-3

No coin nor oath required. For personal study only.

✦ Synopsis

The mass spectra of several compounds with bonds between transition metals and main group IV elements are discussed. Ionization potentials (1) and appearance potentials of [M'X31+ ions (A) were measured and bond dissociation energies D(M-M') calculated. Values of D(Mo-Sn) from (1)-CgHJ2Mo-(L)SnMe, with I. = H, Cl, Br, I, or x(CO,Me): CH(CO,Me) were all about 2.5 f 0.13 eV. Replacement of molybdenum in (rl-CSH.JzM(H)SnMe3 by tungsten resulted in an increase in D(M-Sn). The related tantalum compound (q-CgH5)Z Ta(H)$nMeJ had a value slightly lower than the tungsten com-

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