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1: J Chem Phys. 2007 Sep 28;127(12):124302.Click here to read Links

Permanent electric dipole moment of molybdenum carbide.

Wang H, Virgo WL, Chen J, Steimle TC.

Department of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona 85287-1604, USA.

High resolution optical spectroscopy has been used to study a molecular beam of molybdenum monocarbide (MoC). The Stark effect of the R(e)(0) and Q(fe)(1) branch features of the [18.6] (3)Pi(1)-X (3)Sigma(-)(0,0) band system of (98)MoC were analyzed to determine the permanent electric dipole moments mu(e) of 2.68(2) and 6.07(18) D for the [18.6] (3)Pi(1)(nu=0) and X (3)Sigma(-)(nu=0) states, respectively. The dipole moments are compared with the experimental value for ruthenium monocarbide [T. C. Steimle et al., J. Chem. Phys. 118, 2620 (2003)] and with theoretical predictions. A molecular orbital correlation diagram is used to interpret the observed and predicted trends of ground state mu(e) values for the 4d-metal monocarbides series.

PMID: 17902898 [PubMed]

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