Microwave Absorption Spectra of AlF, GaF, InF, and TIF
Open Access
- 1 July 1970
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 25 (7) , 1029-1035
- https://doi.org/10.1515/zna-1970-0706
Abstract
Observation of various rotational transitions of four Group Ilia monofluoride allowed the Dunham coefficients Y01, Y11, Y21 and Y12 to be determined. From the hyperfine structure of the AlF, GaF and InF spectra, the nuclear electric quadrupole coupling constants, e qv Q, and spin-rotation coupling constant, CI, were obtained for several vibrational states, v: e qv Q(27 Al19F) = -37,75(8) + 0,44(8) (v + 1/2) MHz, e qv Q(69 Ga19F) = -107,07(8) + 1,09(7) (v + 1/2) MHz, e qv Q(71 Ga19F) = -67,46(8) + 0,68(7) (v + 1/2) MHz, e qv Q(115 In19F) = -727,06(20) + 6,64(20) (v + 1/2) MHz. Stark effect measurements on GaF and InF in the ground vibrational state resulted in the following electric dipole moments: 69Ga 19F: |μ̄| = 2,45 (5) D, 115In 19F: |μ̄| = 3,40 (7) DKeywords
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