Fourier Transform Spectroscopy of theYΣ–XΠiTransition of CuO |
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Authors: | LC O'brien RL Kubicek SJ Wall DE Koch RJ Friend CR Brazier |
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Institution: | aDepartment of Chemistry, Southern Illinois University at Edwardsville, Edwardsville, Illinois, 62026-1652;bHughes STX, Phillips Lab/RKS, Edwards Air Force Base, California, 93523 |
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Abstract: | TheY2Σ+–X2Πinear-infrared electronic transition of CuO was observed at high resolution for the first time. The spectrum was recorded with the Fourier transform spectrometer associated with the McMath–Pierce Solar Telescope at Kitt Peak. The excited CuO molecules were produced in a low pressure copper hollow cathode sputter with a slow flow of oxygen. Constants for theY2Σ+states of CuO are:T0= 7715.47765(54) cm−1,B= 0.4735780(28) cm−1,D= 0.822(12) × 10−6cm−1,H= 0.46(10) × 10−10cm−1, γ = −0.089587(42) cm−1, γD= 0.1272(79) × 10−6cm−1,bF= 0.12347(22) cm−1, andc= 0.0550(74) cm−1. ImprovedX2Πiconstants are also presented. |
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