The electronic (yellow and violet) emission spectra of zirconium nitride
Keyword(s):
Two emission systems of ZrN have been obtained under high resolution at 5700 and 4050 Å. They are the A2Π → X2Σ and B2Σ → X2Σ systems analogous to those previously known for the isoelectronic molecules ScO and TiN.Analysis of the B2Σ → X2Σ system of the 90Zr14N species yields the values B0 = 0.4587 cm−1 and B0 = 0.4830 cm−1 for the B and X states respectively, while for the A2Π state (which is severely perturbed at low J for the 90Zr14N species) the90Zr15N species gives B0 = 0.4523 cm−1 and this yields a (calculated) value for the A state of the 90Zr14N species of 0.4799 cm−1.There are four perturbations in the 2Π3/2 state of both the Zr14N and Zr15N species.
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