The near-infrared spectrum of nickel chloride, NiCl, has been recorded at high resolution from 12,400-12,600 cm-1 , 13,200-13,500 cm-1 , and 13,600-13,750 cm-1 using intracavity laser absorption spectroscopy, ILS. The NiCl molecules were produced in the plasma discharge of a nickel-lined, copper hollow cathode with ~1.8 torr of Ar as the sputter gas and a trace amount of CCl4 as the chloride source. Several transitions were observed and analyzed, including the (2,0), (1,0), and (0,1) bands of the [13.0] 2 Π3/2-X 2 Π3/2 transition, System G, and the (1,0) band of the [12.3] 2 Σ-X 2 Π3/2 transition, System H. The transitions were analyzed using PGOPHER and obtained molecular parameters are reported. A potential energy curve for the [13.0] 2 Π3/2 state has been constructed using the vibrational information from the analyzed transitions.

The near-infrared spectrum of nickel chloride, NiCl, has been recorded at high resolution using intracavity laser absorption spectroscopy. The NiCl molecules were produced in a plasma discharge of a nickel hollow cathode from a trace amount of CCl 4 using Ar as the sputter gas. Spectra were collected from 12,490-12,660 cm −1 and 13,200-13,350 cm −1 as a series of overlapping 5 cm −1 scans. The (0,1), (1,0), and (2,1) bands of the [13.0] 2 Π 3/2-X 2 Π 3/2 transition, System G, were observed at 12,537 cm −1 , 13,352 cm −1 , and 13,318 cm −1 , respectively. The (1,0) band of the [12.3] 2 Σ −-X 2 Π 3/2 transition, System H, was observed at 12,645 cm −1. Analyses of these bands will be presented.