INFRARED-EMISSION SPECTROSCOPY AT 100-MU-M - VIBRATION-ROTATION SPECTRUM OF CSI

V  BRAUN; B  GUO; K Q  ZHANG; M  DULICK; P F  BERNATH; G A  MCRAE

INFRARED-EMISSION SPECTROSCOPY AT 100-MU-M - VIBRATION-ROTATION SPECTRUM OF CSI

V BRAUN, B GUO, K Q ZHANG, M DULICK, P F BERNATH, G A MCRAE

Chemistry

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

Abstract

The vibration-rotation emission spectrum of CsI was recorded in the 110-130 cm(-1) region of the spectrum. Although individual rotational lines were not resolved, we measured the positions of 29 band heads involving the vibrational bands from 1-0 to 30-29. These vibrational data when combined with previously measured microwave and millimeter-wave pure rotational transitions yielded improved Dunham constants. In addition, an experimentally derived Born-Oppenheimer potential is also reported and compared with the purely ionic internuclear potential of the Rittner model. The results reported here demonstrate that far-infrared emission spectroscopy is a very sensitive technique for detecting high-temperature molecules, even at wavelengths around 100 mu m.

Original language	English
Pages (from-to)	633-640
Number of pages	8
Journal	Chemical Physics Letters
Volume	228
Issue number	6
Publication status	Published - 14 Oct 1994

Keywords

COLLISION-INDUCED DISSOCIATION
ALKALI-HALIDE MOLECULES
CESIUM-HALIDES
BOND-ENERGIES
VAPORIZATION
IODIDE

Cite this

@article{5b0bc70f810b45efb2ff2e7e4a77ffbc,

title = "INFRARED-EMISSION SPECTROSCOPY AT 100-MU-M - VIBRATION-ROTATION SPECTRUM OF CSI",

abstract = "The vibration-rotation emission spectrum of CsI was recorded in the 110-130 cm(-1) region of the spectrum. Although individual rotational lines were not resolved, we measured the positions of 29 band heads involving the vibrational bands from 1-0 to 30-29. These vibrational data when combined with previously measured microwave and millimeter-wave pure rotational transitions yielded improved Dunham constants. In addition, an experimentally derived Born-Oppenheimer potential is also reported and compared with the purely ionic internuclear potential of the Rittner model. The results reported here demonstrate that far-infrared emission spectroscopy is a very sensitive technique for detecting high-temperature molecules, even at wavelengths around 100 mu m.",

keywords = "COLLISION-INDUCED DISSOCIATION, ALKALI-HALIDE MOLECULES, CESIUM-HALIDES, BOND-ENERGIES, VAPORIZATION, IODIDE",

author = "V BRAUN and B GUO and ZHANG, {K Q} and M DULICK and BERNATH, {P F} and MCRAE, {G A}",

year = "1994",

month = oct,

day = "14",

language = "English",

volume = "228",

pages = "633--640",

journal = "Chemical Physics Letters",

issn = "0009-2614",

publisher = "Elsevier",

number = "6",

}

TY - JOUR

T1 - INFRARED-EMISSION SPECTROSCOPY AT 100-MU-M - VIBRATION-ROTATION SPECTRUM OF CSI

AU - BRAUN, V

AU - GUO, B

AU - ZHANG, K Q

AU - DULICK, M

AU - BERNATH, P F

AU - MCRAE, G A

PY - 1994/10/14

Y1 - 1994/10/14

N2 - The vibration-rotation emission spectrum of CsI was recorded in the 110-130 cm(-1) region of the spectrum. Although individual rotational lines were not resolved, we measured the positions of 29 band heads involving the vibrational bands from 1-0 to 30-29. These vibrational data when combined with previously measured microwave and millimeter-wave pure rotational transitions yielded improved Dunham constants. In addition, an experimentally derived Born-Oppenheimer potential is also reported and compared with the purely ionic internuclear potential of the Rittner model. The results reported here demonstrate that far-infrared emission spectroscopy is a very sensitive technique for detecting high-temperature molecules, even at wavelengths around 100 mu m.

AB - The vibration-rotation emission spectrum of CsI was recorded in the 110-130 cm(-1) region of the spectrum. Although individual rotational lines were not resolved, we measured the positions of 29 band heads involving the vibrational bands from 1-0 to 30-29. These vibrational data when combined with previously measured microwave and millimeter-wave pure rotational transitions yielded improved Dunham constants. In addition, an experimentally derived Born-Oppenheimer potential is also reported and compared with the purely ionic internuclear potential of the Rittner model. The results reported here demonstrate that far-infrared emission spectroscopy is a very sensitive technique for detecting high-temperature molecules, even at wavelengths around 100 mu m.

KW - COLLISION-INDUCED DISSOCIATION

KW - ALKALI-HALIDE MOLECULES

KW - CESIUM-HALIDES

KW - BOND-ENERGIES

KW - VAPORIZATION

KW - IODIDE

M3 - Article

VL - 228

SP - 633

EP - 640

JO - Chemical Physics Letters

JF - Chemical Physics Letters

SN - 0009-2614

IS - 6

ER -