Laser-induced fluorescence and Optical/Stark spectroscopy of PtC
作者： S. A. Beaton , T. C. Steimle
DOI: 10.1063/1.480452
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摘要: Optical/Stark measurements have been performed on the (0,0) bands of both A″ 1Σ+–X 1Σ+ system (ν0≈12 643 cm−1) and A′ 1Π–X Σ+ (ν0≈13 196 cm−1) platinum monocarbide. The PtC molecules were produced in a pulsed supersonic molecular beam source following reaction laser ablated vapor with mixture few percent methane argon. newly determined permanent electric dipole moments obtained are 1.94(2)D (A″ 1Σ+) 1.919(9)D (A′ 1Π). These results discussed terms proposed orbital correlation diagram for containing diatomics. laser-induced fluorescence spectrum (0,0)A″ 1Σ+–X 1Σ+ transition has re-recorded at high resolution (full width half-maximum ∼40 MHz) analyzed to yield rotational constants four most abundant isotopomers PtC, extending previous analysis [Appelblad, Nilsson, Scullman, Phys. Scr. 7, 65 (1973)]. anomalously large value (∼15 derived nuclear-spin rot...
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