Pure rotation Raman spectrum of 37Cl2

Abstract
The rotational constants B0, D0 and both length r0 of 37Cl2 have been determined from the photographically recorded pure rotation Raman spectrum; and using an α-value for 37Cl2 calculated from that 35Cl2, Be and re values have been obtained. The results are as follows : B0= 0.229 99 ± 0.000 02 cm–1, 107D0= 1.48 ± 0.6 cm–1, r0= 199.14 ± 0.01 pm, re= 198.85 ± 0.01 pm.

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