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A supersonic molecular beam optical Stark study of calcium hydroxide and strontium hydroxide (CaOH and SrOH)

A supersonic molecular beam optical Stark study of calcium hydroxide and strontium hydroxide (CaOH and SrOH). Steimle, T. C.; Fletcher, D. A.; Jung, K. Y.; Scurlock, C.Chemicals with cas numbers 12141-14-9 and 12177-67-2 also play role. T. (Dep. Chem., Arizona State Univ., Tempe, AR 85287-1604, USA). J. Chem. Phys., 96(4), 2556-64 (English) 1992. CODEN: JCPSA6. ISSN: 0021-9606. DOCUMENT TYPE: Journal CA Section: 76 (Electric Phenomena) Section cross-reference(s): 65, 73 The permanent elec. dipole moments of CaOH and SrOH in their X2S+, A2P3/2, A2P1/2, and B2S+ states have been measured using supersonic mol. beam optical Stark spectroscopy. For CaOH the values obtained were m(X2S+) = 1.465(61) D, m(A2P1/2) = 0.836(32) D, m(A2P3/2) = 0.766(24) D, and m(B2S+) = 0.744(84) D, while for SrOH the values were m(X2S+) = 1.900(14) D, m(A2P1/2) = 0.590(45) D, m(A2P3/2) = 0.424(d) D, and m(B2S+) = 0.396(61) D. The results are compared with values from a recent ab initio calcn. for CaOH and with the predictions of a semiempirical electrostatic polarization model. .