Gas-phase rotational spectroscopy of AlCCH (X̃ 1Σ +): A model system for organo-aluminum compounds

M. Sun; D. T. Halfen; J. Min; D. J. Clouthier; L. M. Ziurys

doi:10.1016/j.cplett.2012.08.034

Gas-phase rotational spectroscopy of AlCCH (X̃ ¹Σ ⁺): A model system for organo-aluminum compounds

M. Sun, D. T. Halfen, J. Min, D. J. Clouthier, L. M. Ziurys

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Abstract

The pure rotational spectrum of AlCCH in its ground electronic state (X̃ ¹Σ ⁺) has been measured using Fourier transform microwave (FTMW) and mm/sub-mm direct absorption spectroscopy. AlCCH was created in a DC discharge from HCCH and aluminum vapor, either produced by a Broida-type oven, or generated from Al(CH ₃) ₃ in a supersonic jet source. Rotational transitions were measured for five isotopologues of AlCCH, with ¹³C and deuterium substitutions. From these data, rotational and Al and D quadrupole parameters were determined, as well as an accurate structure. AlCCH appears to exhibit an acetylenic arrangement with significant covalent character in the Al-C single bond.

Original language	English (US)
Pages (from-to)	11-16
Number of pages	6
Journal	Chemical Physics Letters
Volume	553
DOIs	https://doi.org/10.1016/j.cplett.2012.08.034
State	Published - Nov 20 2012

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1016/j.cplett.2012.08.034

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title = "Gas-phase rotational spectroscopy of AlCCH ({\~X} 1Σ +): A model system for organo-aluminum compounds",

abstract = "The pure rotational spectrum of AlCCH in its ground electronic state ({\~X} 1Σ +) has been measured using Fourier transform microwave (FTMW) and mm/sub-mm direct absorption spectroscopy. AlCCH was created in a DC discharge from HCCH and aluminum vapor, either produced by a Broida-type oven, or generated from Al(CH 3) 3 in a supersonic jet source. Rotational transitions were measured for five isotopologues of AlCCH, with 13C and deuterium substitutions. From these data, rotational and Al and D quadrupole parameters were determined, as well as an accurate structure. AlCCH appears to exhibit an acetylenic arrangement with significant covalent character in the Al-C single bond.",

author = "M. Sun and Halfen, {D. T.} and J. Min and Clouthier, {D. J.} and Ziurys, {L. M.}",

note = "Funding Information: This research is supported by NSF Grant CHE-1057924. ",

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T1 - Gas-phase rotational spectroscopy of AlCCH (X̃ 1Σ +)

T2 - A model system for organo-aluminum compounds

AU - Sun, M.

AU - Halfen, D. T.

AU - Min, J.

AU - Clouthier, D. J.

AU - Ziurys, L. M.

N1 - Funding Information: This research is supported by NSF Grant CHE-1057924.

PY - 2012/11/20

Y1 - 2012/11/20

N2 - The pure rotational spectrum of AlCCH in its ground electronic state (X̃ 1Σ +) has been measured using Fourier transform microwave (FTMW) and mm/sub-mm direct absorption spectroscopy. AlCCH was created in a DC discharge from HCCH and aluminum vapor, either produced by a Broida-type oven, or generated from Al(CH 3) 3 in a supersonic jet source. Rotational transitions were measured for five isotopologues of AlCCH, with 13C and deuterium substitutions. From these data, rotational and Al and D quadrupole parameters were determined, as well as an accurate structure. AlCCH appears to exhibit an acetylenic arrangement with significant covalent character in the Al-C single bond.

AB - The pure rotational spectrum of AlCCH in its ground electronic state (X̃ 1Σ +) has been measured using Fourier transform microwave (FTMW) and mm/sub-mm direct absorption spectroscopy. AlCCH was created in a DC discharge from HCCH and aluminum vapor, either produced by a Broida-type oven, or generated from Al(CH 3) 3 in a supersonic jet source. Rotational transitions were measured for five isotopologues of AlCCH, with 13C and deuterium substitutions. From these data, rotational and Al and D quadrupole parameters were determined, as well as an accurate structure. AlCCH appears to exhibit an acetylenic arrangement with significant covalent character in the Al-C single bond.

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JO - Chemical Physics Letters

JF - Chemical Physics Letters

ER -

Gas-phase rotational spectroscopy of AlCCH (X̃ ¹Σ ⁺): A model system for organo-aluminum compounds

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