0370-1328/82/6/1065
Abstract
A singlet system B 1Σ+-X 1Σ+ ascribed to BeS has been observed in absorption at 1900 °C. Values of the constants are
| T00 | ωe | r0(Å) | |
|---|---|---|---|
| B 1Σ+ | 25868 | 850.4 | 1.818 |
| X 1Σ+ | 0 | 997.4 | 1.745 |
The lower state X 1Σ+ appears to be the ground state of BeS.