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8211752 
Journal Article 
THE ROTATIONAL SPECTRUM AND MOLECULAR-STRUCTURE OF THE ARGON CARBONYL FLUORIDE COMPLEX 
Shea, JA; Campbell, EJ 
1983 
Yes 
Journal of Chemical Physics
ISSN: 0021-9606
EISSN: 1089-7690 
79 
10 
4724-4729 
English 
WOS:A1983RR21300009 
The microwave spectrum of the argon-carbonyl fluoride complex in the ground vibrational state has been assigned using a Fourier-transform microwave spectrometer, employing a pulsed supersonic nozzle as a molecular source. Argon-carbonyl fluoride is a nonplanar near-symmetric prolate top, with the argon atom situated above the plane of the F2CO molecule, nearly over the fluorine atoms. The spectroscopic constants areAr-F2C 16O Ar-F2C18O A(MHz) 6000.3169(30) 5771.536 6(187) B(MHz) 1523.5196(5) 1507.3088(54) C(MHz) 1523.5113(5) 1491.8678(52) DJ(MHz) 0.009138(6) 0.0089(1) DJK(MHz) 0.12639(5) 0.1201(1) DK(MHz) -0.1213(6) -0.1202(48) Information from centrifugal distortion is used to obtain the harmonic force constants, normal frequencies, and mean-square amplitudes of vibration for the van der Waals modes of Ar-F 2CO. © 1983 American Institute of Physics. 
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