Electronic spectra and molecular geometry of the non-linear carbon chain C9H3

D. Zhao; N. Wehres; H. Linnartz; W. Ubachs

doi:10.1016/j.cplett.2010.11.048

Electronic spectra and molecular geometry of the non-linear carbon chain C9H3

D. Zhao^*, N. Wehres, H. Linnartz, W. Ubachs

^*Corresponding author for this work

Astronomy

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Abstract

Two electronic bands at similar to 18881 and similar to 18920 cm(-1) - previously assigned to the carbon chain molecule C9H3 - have been recorded, resolving for the first time their K-stack structure. The C9H3 radicals are produced by discharging and expanding a diluted gas mixture of acetylene in helium employing a pulsed pinhole nozzle. Cavity ring-down spectroscopy is used to record spectra in direct absorption. The improved experimental data and spectrum simulations based on new theoretical structure predictions show that the HC4(CH)C4H isomer (with C-2v symmetry) is a likely carrier of the two observed C9H3 bands. (C) 2010 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	232-237
Number of pages	6
Journal	Chemical Physics Letters
Volume	501
Issue number	4-6
DOIs	https://doi.org/10.1016/j.cplett.2010.11.048
Publication status	Published - 7-Jan-2011

Keywords

LASER SPECTROSCOPY
MICROWAVE
RADICALS
C11H3
TMC-1
C13H3

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@article{ddef462d820949a7930fb2a60506dea0,

title = "Electronic spectra and molecular geometry of the non-linear carbon chain C9H3",

abstract = "Two electronic bands at similar to 18881 and similar to 18920 cm(-1) - previously assigned to the carbon chain molecule C9H3 - have been recorded, resolving for the first time their K-stack structure. The C9H3 radicals are produced by discharging and expanding a diluted gas mixture of acetylene in helium employing a pulsed pinhole nozzle. Cavity ring-down spectroscopy is used to record spectra in direct absorption. The improved experimental data and spectrum simulations based on new theoretical structure predictions show that the HC4(CH)C4H isomer (with C-2v symmetry) is a likely carrier of the two observed C9H3 bands. (C) 2010 Elsevier B.V. All rights reserved.",

keywords = "LASER SPECTROSCOPY, MICROWAVE, RADICALS, C11H3, TMC-1, C13H3",

author = "D. Zhao and N. Wehres and H. Linnartz and W. Ubachs",

year = "2011",

month = jan,

day = "7",

doi = "10.1016/j.cplett.2010.11.048",

language = "English",

volume = "501",

pages = "232--237",

journal = "Chemical Physics Letters",

issn = "1873-4448",

publisher = "ELSEVIER SCIENCE BV",

number = "4-6",

}

TY - JOUR

T1 - Electronic spectra and molecular geometry of the non-linear carbon chain C9H3

AU - Zhao, D.

AU - Wehres, N.

AU - Linnartz, H.

AU - Ubachs, W.

PY - 2011/1/7

Y1 - 2011/1/7

N2 - Two electronic bands at similar to 18881 and similar to 18920 cm(-1) - previously assigned to the carbon chain molecule C9H3 - have been recorded, resolving for the first time their K-stack structure. The C9H3 radicals are produced by discharging and expanding a diluted gas mixture of acetylene in helium employing a pulsed pinhole nozzle. Cavity ring-down spectroscopy is used to record spectra in direct absorption. The improved experimental data and spectrum simulations based on new theoretical structure predictions show that the HC4(CH)C4H isomer (with C-2v symmetry) is a likely carrier of the two observed C9H3 bands. (C) 2010 Elsevier B.V. All rights reserved.

AB - Two electronic bands at similar to 18881 and similar to 18920 cm(-1) - previously assigned to the carbon chain molecule C9H3 - have been recorded, resolving for the first time their K-stack structure. The C9H3 radicals are produced by discharging and expanding a diluted gas mixture of acetylene in helium employing a pulsed pinhole nozzle. Cavity ring-down spectroscopy is used to record spectra in direct absorption. The improved experimental data and spectrum simulations based on new theoretical structure predictions show that the HC4(CH)C4H isomer (with C-2v symmetry) is a likely carrier of the two observed C9H3 bands. (C) 2010 Elsevier B.V. All rights reserved.

KW - LASER SPECTROSCOPY

KW - MICROWAVE

KW - RADICALS

KW - C11H3

KW - TMC-1

KW - C13H3

UR - http://adsabs.harvard.edu/abs/2011CPL...501..232Z

U2 - 10.1016/j.cplett.2010.11.048

DO - 10.1016/j.cplett.2010.11.048

M3 - Article

SN - 1873-4448

VL - 501

SP - 232

EP - 237

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 4-6

ER -

Electronic spectra and molecular geometry of the non-linear carbon chain C9H3

Abstract

Keywords

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