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Title: Temperature dependence of electric field-gradient induced birefringence (Buckingham effect) and molecular quadrupole moment of N₂.: Comparison of experiment and theory
Contributor(s): Ritchie, Geoffrey (author); Watson, Jonathan (author); Keir, Roland (author)
Publication Date: 2003
DOI: 10.1016/S0009-2614(03)00137-4
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Abstract: Observations of electric field-gradient induced birefringence (the Buckingham effect) in gaseous N₂ over a range of temperature (≈293–412 K) and pressure (up to ≈2000 kPa) are reported. Analysis of the data shows that the temperature-independent contribution to the effect is not negligible, and values of the molecular hyperpolarizability, B, and quadrupole moment, ⊖, are derived. In the case of the quadrupole moment, the experimental value [⊖=(−4.97±0.16)×10⁻⁴⁰ Cm²] and a state-of-the-art ab initio value [⊖=(−4.93±0.03)×10⁻⁴⁰ Cm²] due to Halkier, Coriani and Jørgensen [Chem. Phys. Lett. 294 (1998) 292] are in excellent agreement.
Publication Type: Journal Article
Source of Publication: Chemical Physics Letters, 370(3-4), p. 376-380
Publisher: Elsevier Science
Place of Publication: Amsterdam, Netherlands
ISSN: 0009-2614
Field of Research (FOR): 020201 Atomic and Molecular Physics
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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