The Millimeter-Wave Rotational Spectrum and Coriolis Interaction in the Two Lowest Excited Vibrational States of CHClF2

1995 ◽  
Vol 173 (2) ◽  
pp. 477-487 ◽  
Author(s):  
Z. Kisiel ◽  
L. Pszczolkowski ◽  
G. Cazzoli ◽  
G. Cotti
Keyword(s):  
Millimeter Wave ◽  
Rotational Spectrum ◽  
Vibrational States ◽  
Coriolis Interaction

The Millimeter-Wave Rotational Spectrum of CCl3CN in Excited Vibrational States

1997 ◽  
Vol 183 (1) ◽  
pp. 168-175 ◽  
Author(s):  
Pil Ja Seo ◽  
John H. Carpenter ◽  
John G. Smith ◽  
Matthew J. Whitston ◽  
Gabriele Cazzoli ◽  
...  
Keyword(s):  
Millimeter Wave ◽  
Rotational Spectrum ◽  
Vibrational States

The Millimeter-Wave Rotational Spectrum of CF3CN in Excited Vibrational States

1996 ◽  
Vol 175 (1) ◽  
pp. 133-141 ◽  
Author(s):  
John H. Carpenter ◽  
Masoud Motamedi ◽  
John G. Smith
Keyword(s):  
Millimeter Wave ◽  
Rotational Spectrum ◽  
Vibrational States

scholarly journals New Investigation of Millimeter-Wave Rotational Spectrum of CCl3CN in Ground, v7= 1 and v8= 1 States

2008 ◽  
Vol 5 (4) ◽  
pp. 946-962
Author(s):  
Masoud Motamedi ◽  
Tahere Zohrevand
Keyword(s):  
Millimeter Wave ◽  
Ground State ◽  
Rotational Spectrum ◽  
Vibrational States ◽  
Rotational Spectra

The millimeter-wave rotational spectra of the ground and excited vibrational states v7=1 and v8=1 of the symmetric top molecule, CCl3CN, have been analyzed again. The B0= 1666.80894(13) MHz, DJ= 0.135023 (23) kHz, DJK= 0.60596 (45) kHz, HJ= -0.0192 (10) mHz, HJK= 1.188 (34) mHz and HKJ= -1.60 (21) mHz have been determined for ground state. The 𝓁 = ±1 series have been assigned and the rotational parameters including B7=1667.96659(25) MHz, (q+t)7=1.58855(94) MHz for v7=1 and B8=1667.08204 (31) MHz, (q+t)8= 1.6141(36) MHz for v8= 1 states were determined accurately.

scholarly journals New Investigation of Millimeter-Wave Rotational Spectrum of CF3CN in the Excited Vibrational States v7=1 and v8=1

2007 ◽  
Vol 4 (1) ◽  
pp. 67-78
Author(s):  
Masoud Motamedi ◽  
Bahram Vahabzadeh Zargari
Keyword(s):  
Millimeter Wave ◽  
Rotational Spectrum ◽  
Vibrational States ◽  
Rotational Spectra

The millimeter-wave rotational spectra of the excited vibrational states v7=1 and v8=1 of the symmetric top molecule trifluoroacetonitrile, CF3CN, have been analyzed again. The ζ=±1 series have been assigned and the rotational parameters including B7=2944.9748(14) MHz, q+t=1.4505(16) MHz for v7=1 and B8=2950.4853(4) MHz, q+t= 3.6035(20) MHz for v8=1states were determined accurately.

Centrifugal Distortion Parameters of Fulminic Acid, HCNO, from the Millimeter-Wave Rotational Spectra

1971 ◽  
Vol 26 (1) ◽  
pp. 128-131 ◽  
Author(s):  
Manfred Winnewisser ◽  
Brenda P. Winnewisser
Keyword(s):  
Millimeter Wave ◽  
Ground State ◽  
Rotational Spectrum ◽  
Centrifugal Distortion ◽  
Vibrational States ◽  
Molecular Constants ◽  
Rotational Spectra ◽  
First Excited State ◽  
Bending Modes ◽  
Distortion Parameters

Abstract A newly designed millimeter-wave spectrometer has been employed for precise measurements of the millimeter-wave rotational spectrum of HCNO. Absorptions in several excited vibrational states as well as the ground state could be measured. The present paper presents the observed frequen­ cies and molecular constants obtained for the ground state and the first excited state of v4 and of v5, the vibrational bending modes

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