Interaction induced contributions to the far infrared spectrum of a polar fluid: Zeroth and second spectral moments

1990 ◽  
Vol 93 (11) ◽  
pp. 7561-7565
Author(s):  
Pancracio Palting ◽  
Jeanne L. McHale
Keyword(s):  
Infrared Spectrum ◽  
Far Infrared ◽  
Spectral Moments ◽  
Polar Fluid

Analysis of the far infrared spectrum of gaseous N2

1981 ◽  
Vol 59 (10) ◽  
pp. 1448-1458 ◽  
Author(s):  
J. D. Poll ◽  
J. L. Hunt
Keyword(s):  
Infrared Spectrum ◽  
Quadrupole Moment ◽  
Far Infrared ◽  
Spectral Moments ◽  
A Value ◽  
Dipole Parameters ◽  
Lineshape Function

The far infrared collision-induced spectrum of N2 gas at 300 and 124 K is analysed using an empirical lineshape function. The theory of the collision-induced spectrum of N2 is developed and expressions are derived for the first and second spectral moments in the cases of quadrupolar, hexadecapolar, and for L = 1 and L = 3 overlap induction. The spectra are then reconstructed with various combinations of these mechanisms in order to determine the best values and probable ranges of the quadrupole and hexadecapole moments and the strength of the overlap moments. We find an excellent fit for a value of the quadrupole moment that agrees with that found by Buckingham, QB = −(1.09 ± 0.05)ea02, with overlap dipole parameters λ1 = ± 1 × 10−3ea0, λ3 = 1 × 10−3ea0, and an effective hexadecapole moment Φ = −(10.4 ± 1)ea04.

The far infrared spectrum of H2O2 observed and calculated rotational levels of the torsional states : (n, τ) = (0, 1), (0, 3) and (1, 1)

1988 ◽  
Vol 49 (11) ◽  
pp. 1901-1910 ◽  
Author(s):  
F. Masset ◽  
L. Lechuga-Fossat ◽  
J.-M. Flaud ◽  
C. Camy-Peyret ◽  
J.W.C. Johns ◽  
...  
Keyword(s):  
Infrared Spectrum ◽  
Far Infrared

Far-infrared spectrum and ground state constants of methyl amine

1987 ◽  
Vol 126 (2) ◽  
pp. 443-459 ◽  
Author(s):  
Nobukimi Ohashi ◽  
Kojiro Takagi ◽  
Jon T. Hougen ◽  
W.Bruce Olson ◽  
Walter J. Lafferty
Keyword(s):  
Infrared Spectrum ◽  
Ground State ◽  
Far Infrared ◽  
Methyl Amine

Evidence for soft modes at ≠ 0 in the far-infrared spectrum of Rb2ZnBr4

1980 ◽  
Vol 35 (3) ◽  
pp. 229-232 ◽  
Author(s):  
Th. Rasing ◽  
J.H.M. Stoelinga ◽  
P. Wyder
Keyword(s):  
Infrared Spectrum ◽  
Far Infrared ◽  
Soft Modes

Raman and far infrared spectrum of C2N2

1973 ◽  
Vol 45 (1) ◽  
pp. 55-64 ◽  
Author(s):  
Llewellyn H. Jones
Keyword(s):  
Infrared Spectrum ◽  
Far Infrared

The far infrared spectrum of magnesium hydride

1986 ◽  
Vol 84 (3) ◽  
pp. 1935-1937 ◽  
Author(s):  
K. R. Leopold ◽  
L. R. Zink ◽  
K. M. Evenson ◽  
D. A. Jennings ◽  
M. Mizushima
Keyword(s):  
Infrared Spectrum ◽  
Far Infrared ◽  
Magnesium Hydride

scholarly journals Far‐Infrared Spectrum and Hindering Potential of Deuterium Peroxide

1966 ◽  
Vol 45 (8) ◽  
pp. 3141-3147 ◽  
Author(s):  
Robert H. Hunt ◽  
Robert A. Leacock
Keyword(s):  
Infrared Spectrum ◽  
Far Infrared

Line Mixing by Collisions in the Far‐Infrared Spectrum of Ammonia

1969 ◽  
Vol 50 (1) ◽  
pp. 351-353 ◽  
Author(s):  
A. Lightman ◽  
A. Ben‐Reuven
Keyword(s):  
Infrared Spectrum ◽  
Far Infrared ◽  
Line Mixing
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