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High Resolution FTIR Study of the ν5Bands of HSiD3and H120SnD3

✍ Scribed by Hans Bürger; Wolfgang Jerzembeck; Helmut Ruland; Lauri Halonen

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
250 KB
Volume
189
Category
Article
ISSN
0022-2852

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✦ Synopsis

High resolution Fourier Transform spectra of HSiD 3 and monoisotopic H 120 SnD 3 have been recorded in the region of the n 5 fundamental at 850.68 and 646.90 cm 01 with a resolution of 3.3 and 2.8 1 10 03 cm 01 , respectively. About 2000 rovibrational transitions of each species have been assigned and fitted to two different reductions of the effective Hamiltonian, with s(Fit) Å 1.2 1 10 04 (HSiD 3 ) and 1.4 1 10 04 cm 01 (H 120 SnD 3 ). The two sets of parameters were shown to be equivalent, and relations between parameters belonging to different reductions are perfectly fulfilled. Furthermore the ground state constants C 0 and D K0 have been determined for the first time. For consistency the previously measured data belonging to the n 5 band of H 70 GeD 3 have been refitted, s(Fit) Å 1.6 1 10 04 cm 01 , on the basis of improved ground state parameters including the h 3 term accounting for the splitting of the K Å 3 level.

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