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Reports that high resolution infrared emission spectra have been measured for AuH and AuD and for two isotopomers of CuH, CuD, AgH and AgD. Generation of the molecules in a carbon tube furnace; Measurement of the infrared line positions; Data used in the analysis; Combined isotopomer Dunham-Type analysis.

Examines the high-resolution visible laser spectroscopy of the B[sup 2]B[sub 1]-X[sup 2]A[sub 1] transition of Calcium Amine (CaNH[sub 2]). Characterization of the B[sup 2]B[sub 1] state; Use of pure precision model to interpret and assign the spectrum; Analysis of the high resolution spectrum.

Reports on the recording of the high resolution spectrum of the O[sub 0][sup 0] vibronic band of the transition of CaNH[sub 2] with a laser ablation/supersonic molecules beam spectrometer. Availability of a complete set of spin-rotation constants; Location of the unpaired electrons in the three excited states.

Presents a correction of errors contained in the article 'A High-Resolution Analysis of the ...[sup 2]A[sub 1]-...[sup 2]A[sub 1] Transition of CaNH[sub 2]: Pure Precession in Polyatomic Molecules,' by the authors, published in the 1997 issue of the 'Journal of Chemical Physics' periodical. Centrifugal distortion constants.