Journal
CHEMICAL PHYSICS LETTERS
Volume 614, Issue -, Pages 41-44Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2014.09.006
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Funding
- South African National Laser Centre (NLC)
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Room-temperature measurements of the Buckingham effect (electric-field-gradient-induced birefringence, EFGIB) for gaseous oxygen are presented. The traceless electric quadrupole moment of the oxygen molecule has been deduced from these data, with the assumption that the temperature-independent hyperpolarizability contribution to the EFGIB is negligibly small. The value obtained is Theta = (-1.033 +/- 0.027) x 10(-40) Cm-2. This value is compared with the best available ab initio quantum computational values in the literature. (C) 2014 Elsevier BM. All rights reserved.
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