The Electric Dipole Moment of the CO2–CO van der Waals Complex |
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Authors: | JS Muenter Ratan Bhattacharjee |
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Institution: | Department of Chemistry, University of Rochester, Rochester, New York, 14627 |
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Abstract: | Radiofrequency transitions withinK= 2 asymmetry doublets have been observed for the CO2–CO van der Waals complex. A Stark effect measurement on theJ= 2,K= 2 transition provides an electric dipole moment of μ = 0.2493(1) D. Combining this result with the permanent moment of CO, μCO= 0.1098 D, gives a change of moment on complex formation of Δμ = 0.140 D. The sign of Δμ is such that the CO end of the complex is more positive than CO2. The origin of Δμ should not be attributed to any single mechanism, and several different contributions to Δμ are discussed. |
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