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1954•The Journal of Chemical PhysicsRequires access

Rotational Spectrum of PH3

Harald H. Nielsen

Open publisher page 2 citations

Abstract

Lines in the rotational spectrum of PH3, indentifiable with the rotation of the molecules in the first excited states of the frequencies ν2 and ν4, allow an independent test to be made of the Coriolis interaction between these states as calculated from the vibrational-rotational band spectrum. It is shown that the B values observed from the rotational spectrum for these states are consistent with those obtained from the information derivable from the vibrational-rotational spectrum.

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What this paper is about

Lines in the rotational spectrum of PH3, indentifiable with the rotation of the molecules in the first excited states of the frequencies ν2 and ν4, allow an independent test to be made of the Coriolis interaction between these states as calculated from the vibrational-rotational band spectrum. It is shown that the B values observed from the rotational spectrum for these states are consistent with those obtained from the information derivable from the vibrational-rotational spectrum.

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Available abstract

Lines in the rotational spectrum of PH3, indentifiable with the rotation of the molecules in the first excited states of the frequencies ν2 and ν4, allow an independent test to be made of the Coriolis interaction between these states as calculated from the vibrational-rotational band spectrum. It is shown that the B values observed from the rotational spectrum for these states are consistent with those obtained from the information derivable from the vibrational-rotational spectrum.

Key concepts: Rotational spectrum, Excited state, Spectrum (functional analysis), Rotational partition function, Rotation (mathematics), Rotational–vibrational spectroscopy, Atomic physics, Rotational transition

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