The millimeter-wave spectrum of SrCCH(X2Σ+): chemical trends in metal monoacetylide species

B. P. Nuccio; A. J. Apponi; L. M. Ziurys

doi:10.1016/0009-2614(95)01194-8

The millimeter-wave spectrum of SrCCH(X²Σ⁺): chemical trends in metal monoacetylide species

B. P. Nuccio, A. J. Apponi, L. M. Ziurys

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Abstract

The pure rotational spectrum of the SrCCH radical (X²Σ⁺) has been recorded using millimeter/sub-mm direct absorption techniques. SrCCH was synthesized in a dc discharge by the reaction of strontium vapor, produced in a Broida-type oven, and acetylene. Seventeen rotational transitions of this molecule were recorded in the range 248-370 GHz and fine structure splittings resolved. Rotational and spin-rotation parameters were determined using a ²Σ Hamiltonian. SrCCH appears to be linear with an ionic structure, as previously suggested. Comparison of structural parameters with MgCCH and CaCCH suggest subtle differences in the bonding of these monoacetylide species.

Original language	English (US)
Pages (from-to)	283-288
Number of pages	6
Journal	Chemical Physics Letters
Volume	247
Issue number	3
DOIs	https://doi.org/10.1016/0009-2614(95)01194-8
State	Published - Dec 22 1995

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1016/0009-2614(95)01194-8

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@article{6f6962a787e549d3a5bf3755fa5dec08,

title = "The millimeter-wave spectrum of SrCCH(X2Σ+): chemical trends in metal monoacetylide species",

abstract = "The pure rotational spectrum of the SrCCH radical (X2Σ+) has been recorded using millimeter/sub-mm direct absorption techniques. SrCCH was synthesized in a dc discharge by the reaction of strontium vapor, produced in a Broida-type oven, and acetylene. Seventeen rotational transitions of this molecule were recorded in the range 248-370 GHz and fine structure splittings resolved. Rotational and spin-rotation parameters were determined using a 2Σ Hamiltonian. SrCCH appears to be linear with an ionic structure, as previously suggested. Comparison of structural parameters with MgCCH and CaCCH suggest subtle differences in the bonding of these monoacetylide species.",

author = "Nuccio, {B. P.} and Apponi, {A. J.} and Ziurys, {L. M.}",

note = "Funding Information: This research was supported by NSF grant AST-92-53682 and NASA grant NAGW 2989.",

year = "1995",

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doi = "10.1016/0009-2614(95)01194-8",

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T1 - The millimeter-wave spectrum of SrCCH(X2Σ+)

T2 - chemical trends in metal monoacetylide species

AU - Nuccio, B. P.

AU - Apponi, A. J.

AU - Ziurys, L. M.

N1 - Funding Information: This research was supported by NSF grant AST-92-53682 and NASA grant NAGW 2989.

PY - 1995/12/22

Y1 - 1995/12/22

N2 - The pure rotational spectrum of the SrCCH radical (X2Σ+) has been recorded using millimeter/sub-mm direct absorption techniques. SrCCH was synthesized in a dc discharge by the reaction of strontium vapor, produced in a Broida-type oven, and acetylene. Seventeen rotational transitions of this molecule were recorded in the range 248-370 GHz and fine structure splittings resolved. Rotational and spin-rotation parameters were determined using a 2Σ Hamiltonian. SrCCH appears to be linear with an ionic structure, as previously suggested. Comparison of structural parameters with MgCCH and CaCCH suggest subtle differences in the bonding of these monoacetylide species.

AB - The pure rotational spectrum of the SrCCH radical (X2Σ+) has been recorded using millimeter/sub-mm direct absorption techniques. SrCCH was synthesized in a dc discharge by the reaction of strontium vapor, produced in a Broida-type oven, and acetylene. Seventeen rotational transitions of this molecule were recorded in the range 248-370 GHz and fine structure splittings resolved. Rotational and spin-rotation parameters were determined using a 2Σ Hamiltonian. SrCCH appears to be linear with an ionic structure, as previously suggested. Comparison of structural parameters with MgCCH and CaCCH suggest subtle differences in the bonding of these monoacetylide species.

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JO - Chemical Physics Letters

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The millimeter-wave spectrum of SrCCH(X²Σ⁺): chemical trends in metal monoacetylide species

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