Stark effects in the rotational spectrum of the dimer H2O⋅⋅⋅HF and the variation of the electric dipole moment with excitation of the low‐frequency, hydrogen‐bond modes

1983 ◽  
Vol 78 (6) ◽  
pp. 2910-2914 ◽  
Author(s):  
Z. Kisiel ◽  
A. C. Legon ◽  
D. J. Millen
Keyword(s):  
Hydrogen Bond ◽  
Dipole Moment ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Low Frequency ◽  
Rotational Spectrum ◽  
Stark Effects

scholarly journals Solid-state structure and electronic states of hydrogen-bonded dimer of pyridyl-substituted tetrathiafulvalene salted with PF6−

RSC Advances ◽  
2017 ◽  
Vol 7 (11) ◽  
pp. 6236-6241 ◽  
Author(s):  
Tomoaki Kanetou ◽  
Ryo Tsunashima ◽  
Norihisa Hoshino ◽  
Tomoyuki Akutagawa
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonding ◽  
Dipole Moment ◽  
Solid State ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Electronic States ◽  
Electronic Systems ◽  
State Structure ◽  
Solid State Structure

Our results clarified uniqueness in hydrogen bonding TTFPy dimer in which proton in hydrogen bond was thermally fluctuated. In addition, the fluctuation was coupled with π-electronic systems of TTF moiety where electric dipole moment was amplified.

Preproduction of the unit of low-frequency electric dipole moment

1988 ◽  
Vol 31 (2) ◽  
pp. 161-163
Author(s):  
A. V. Ploshinskii ◽  
I. V. Khakhamov
Keyword(s):  
Dipole Moment ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Low Frequency

Rotational Spectrum , Electric Dipole Moment, Quadrupole Coupling , and Partial r0- Structure of 3 -Cyanothiophene

1977 ◽  
Vol 32 (8) ◽  
pp. 890-896 ◽  
Author(s):  
J. Wiese ◽  
D. H. Sutter
Keyword(s):  
Dipole Moment ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Stark Effect ◽  
Quadrupole Coupling Constant ◽  
Abundant Species ◽  
Rotational Spectrum ◽  
Quadrupole Coupling ◽  
Centrifugal Distortion Constants ◽  
Ring Distortion

Abstract The microwave rotational spectrum of the most abundant species of 3-Cyanothiophene was investigated for the ground vibrational state. Rotational constants and centrifugal distortion constants are given. The electric dipole moment components μa and μb and the 14N-quadrupole coupling constant X + = X bb + X cc were determined from the Stark-effect splittings and hfs-splittings respectively. The experimental results are compared to CNDO/2 calculations and are discussed with reference to ring distortion.

Pure Rotational Spectrum and Electric Dipole Moment of CH3D

1969 ◽  
Vol 51 (11) ◽  
pp. 4873-4880 ◽  
Author(s):  
Irving Ozier ◽  
W. Ho ◽  
George Birnbaum
Keyword(s):  
Dipole Moment ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Rotational Spectrum

Rotational Spectrum, Structure, and Electric Dipole Moment of Bis(difluoromethyl) Ether

1998 ◽  
Vol 192 (2) ◽  
pp. 441-448 ◽  
Author(s):  
R.D. Suenram ◽  
F.J. Lovas ◽  
A.R. Hight Walker ◽  
D.A. Dixon
Keyword(s):  
Dipole Moment ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Rotational Spectrum ◽  
Spectrum Structure

High Field Stark Effects in CH and NH

1974 ◽  
Vol 52 (15) ◽  
pp. 1429-1437 ◽  
Author(s):  
E. A. Scarl ◽  
F. W. Dalby
Keyword(s):  
Dipole Moment ◽  
Electric Fields ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
High Field ◽  
Dipole Moments ◽  
Optical Spectra ◽  
Vibrational States ◽  
Stark Effects

A LoSurdo discharge was used to apply electric fields of up to 290 kV/cm to a mixture of cyanogen and hydrogen, and to ammonia, permitting the observation of Stark effects in the optical spectra of the CH and NH molecules, respectively. These experiments yielded the following values of the molecular electric dipole moment in the ground vibrational states: μ(CH, A2Δ) = 0.887 ± 0.045 D, and μ(NH, X3Σ) = 1.389 ± 0.075 D. A table of experimental and theoretical dipole moments of first-row hydrides is included.

The Microwave Spectrum of Imidazole; Complete Structure and the Electron Distribution from Nuclear Quadrupole Coupling Tensors and Dipole Moment Orientation

1981 ◽  
Vol 36 (12) ◽  
pp. 1378-1385 ◽  
Author(s):  
Dines Christen ◽  
John H. Griffiths ◽  
John Sheridan
Keyword(s):  
Dipole Moment ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Electron Distribution ◽  
Ring Structure ◽  
Microwave Spectrum ◽  
Complete Structure ◽  
Quadrupole Coupling ◽  
Stark Effects ◽  
Nuclear Quadrupole

Spectra have been measured for eleven isotopic forms of imidazole, including single substitutions at each nucleus in turn. A complete rs-structure is obtained. The ring structure is: N(1)-C(2) = 1.364 Å, C(2)-N(3) = 1.314 Å, N(3)-C(4) = 1.382 Å, C(4)-C(5) = 1.364 Å, C(5)-N(1) = 1.377 Å, ≮N(1)C(2)N(3) = 112.0°, ≮C(2)N(3)C(4) = 104.9°, ≮N(3)C(4)C(5) = 110.7°, ≮C(4)C(5)N(1) = 105.5° and ≮C(5)N(1)C(2) = 106.9°. The N(1)-H(1) distance is 0.998 Å, while the C-H distances are all very close to 1.078 Å. The bonds N(1)-H(1) and C(2)-H(2) lie close to the external bisectors of the respective ring angles, but C(4)-H(4) and C(5)-H(5) are each displaced by several degrees from these bisectors towards N(3) and N(1) respectively. The electric dipole moment is established as 3.67 (5) D from Stark effects, directed almost parallel with the line joining the nitrogen nuclei. The properties and orientations of the two 14N-nuclear quadrupole tensors have been investigated, in particular through the spectra of the two mono-14N-imidazoles.

Isotopieeffekte im Rotationsspektrum des SiS / lsotopic Effects in the Rotational Spectrum of SiS

1972 ◽  
Vol 27 (11) ◽  
pp. 1566-1570 ◽  
Author(s):  
E. Tiemann ◽  
E. Renwanz ◽  
J. Hoeft ◽  
T. Törring
Keyword(s):  
Dipole Moment ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Rotational Constant ◽  
Higher Order ◽  
Rotational Spectrum ◽  
Oppenheimer Approximation ◽  
Isotopic Effects

Abstract Corrections resulting from the breakdown of the Born-Oppenheimer approximation were obtained by a detailed discussion of the higher order isotopic effects of the rotational constant Y01 . This analysis yields the sign of the electric dipole moment to be positive (+SiS-) and the sign of the molecular gJ-value to be negative. The magnitude of the adiabatic correction was evaluated.

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