Rotational spectroscopy of the SrNH2 and SrND2 radicals ( X̃2A1 )

J. M. Thompsen; P. M. Sheridan; L. M. Ziurys

doi:10.1016/S0009-2614(00)01113-1

Rotational spectroscopy of the SrNH₂ and SrND₂ radicals ( X̃²A₁ )

J. M. Thompsen, P. M. Sheridan, L. M. Ziurys

Research output: Contribution to journal › Article › peer-review

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Abstract

The pure rotational spectrum of the SrNH₂ radical in its X̃²A₁ state has been recorded using sub-millimeter direct absorption techniques in the range 225-540 GHz. Measurements of SrND₂ have also been conducted. Both molecules were produced by the reaction of metal vapor and NH₃ or ND₃. Fourteen and fifteen rotational transitions were recorded for SrNH₂ and SrND₂, respectively. Asymmetry doublets for K_a=0 through 5 or 6, as well as fine structure splittings, were observed in every transition. From these data, spectroscopic constants have been determined, as well as an r₀-structure. This study provides additional evidence that SrNH₂ is planar with ionic bonding.

Original language	English (US)
Pages (from-to)	373-382
Number of pages	10
Journal	Chemical Physics Letters
Volume	330
Issue number	3-4
DOIs	https://doi.org/10.1016/S0009-2614(00)01113-1
State	Published - Nov 10 2000

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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title = "Rotational spectroscopy of the SrNH2 and SrND2 radicals ( {\~X}2A1 )",

abstract = "The pure rotational spectrum of the SrNH2 radical in its {\~X}2A1 state has been recorded using sub-millimeter direct absorption techniques in the range 225-540 GHz. Measurements of SrND2 have also been conducted. Both molecules were produced by the reaction of metal vapor and NH3 or ND3. Fourteen and fifteen rotational transitions were recorded for SrNH2 and SrND2, respectively. Asymmetry doublets for Ka=0 through 5 or 6, as well as fine structure splittings, were observed in every transition. From these data, spectroscopic constants have been determined, as well as an r0-structure. This study provides additional evidence that SrNH2 is planar with ionic bonding.",

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T1 - Rotational spectroscopy of the SrNH2 and SrND2 radicals ( X̃2A1 )

AU - Thompsen, J. M.

AU - Sheridan, P. M.

AU - Ziurys, L. M.

N1 - Funding Information: This research is supported by NSF Grant CHE-98-17707.

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AB - The pure rotational spectrum of the SrNH2 radical in its X̃2A1 state has been recorded using sub-millimeter direct absorption techniques in the range 225-540 GHz. Measurements of SrND2 have also been conducted. Both molecules were produced by the reaction of metal vapor and NH3 or ND3. Fourteen and fifteen rotational transitions were recorded for SrNH2 and SrND2, respectively. Asymmetry doublets for Ka=0 through 5 or 6, as well as fine structure splittings, were observed in every transition. From these data, spectroscopic constants have been determined, as well as an r0-structure. This study provides additional evidence that SrNH2 is planar with ionic bonding.

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Rotational spectroscopy of the SrNH₂ and SrND₂ radicals ( X̃²A₁ )

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