✦ LIBER ✦

Evidence for the contribution of the lone pair to the molecular dipole moment of triarylphosphines

✍ Scribed by Mark P. Warchol; E.N. DiCarlo; Cynthia A. Maryanoff; Kurt Mislow

Publisher: Elsevier Science
Year: 1975
Tongue: French
Weight: 219 KB
Volume: 16
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)72019-3

No coin nor oath required. For personal study only.

✦ Synopsis

We wish to report evidence that the overall dipole moment of triphenylphosphine and derivatives is dominated by the contribution of the partial moment of the lone pair on phosphorus. some phosphine years ago, the observation that the dipole moment (u) of trimesityl-(9, 1.37 D, is close to the range of moments (1.39 -1.54 D) report, 'I ed for triphenylphosphine (3 led us to the conclusionL that the C-P-C bond angles (9) in the former should not deviate much from those in the latter.

Our confident expectation that 1 should have bond angles near 103" was there-

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