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Peter J. Domaille Timothy C. Steimle Ning Bew Wong David O. Harris 《Journal of Molecular Spectroscopy》1977,65(3):354-365
Single-mode cw dye laser excitation spectra of the (0, 0), (1, 1), and (2, 2) bands of the B2Σ+-X2Σ+ system of CaCl have been observed and assigned. Some 300 independent photo-luminescence spectra have been used in making the rotational assignment and demonstrate the power of the technique of line-by-line analysis in unraveling complex spectra. Spectroscopic constants (cm?1) obtained from a weighted least squares fit of the data are given below. Numbers in parentheses refer to 95% confidence limits in the last digit.
0 | 16856.69(2) | ||
369.8(10) | 366.8(10) | ||
1.13(20) | 1.28(20) | ||
0.15200(54) | 0.15448(54) | ||
0.00063(34) | 0.00073(35) | ||
1.027(16) × 10?7 | 1.097(17) × 10?7 | ||
(spin-rotation) | +0.003 | ?0.0630(16) |
16 758 | |||
16 442 | 996 | 7.0 | |
16 131 | 994 | 6.5 |
Main parameters | ||
3- | 17375.129(5) | |
B | 0.30079(6) | 0.30562(6) |
C | 0.29319(6) | 0.29789(8) |
3- | ?0.66(4) | |
3- | ?0.0356(8) | |
3- | ?0.0453(8) |
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