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Friday, July 31, 2020 | History

2 edition of Direct determination of molecular quadrupole moments found in the catalog.

Direct determination of molecular quadrupole moments

Stephen Golub

Direct determination of molecular quadrupole moments

liquid phase studies.

by Stephen Golub

  • 60 Want to read
  • 3 Currently reading

Published in [n.p.] .
Written in English

    Subjects:
  • Quadrupole moments.,
  • Molecular theory.,
  • Liquids.,
  • Gases.

  • Classifications
    LC ClassificationsQC670 .G585
    The Physical Object
    Paginationvii, 103 l.
    Number of Pages103
    ID Numbers
    Open LibraryOL5712998M
    LC Control Number70251171

    We find that the correlation between the charge, dipole moments and quadrupole moments in these two extreme cases are , and respectively (we take the best correlated pair from the three values of quadrupole moment eigen values to quote this value).Cited by: The relative binding energies of these three geometric configurations of the benzene dimer can be explained by a balance of quadrupole/quadrupole and London dispersion benzene does not have a dipole moment, it has a strong quadrupole moment. The local C–H dipole means that there is positive charge on the atoms in the ring and a correspondingly negative charge representing an.

      Molecular Crystals and Molecules deals with some of the problems of molecular crystallography and certain aspects of molecular structure. This book is composed of eight chapters that specifically cover the significant progress of conformational Edition: 1.   Purchase Rotational Spectra and Molecular Structure - 1st Edition. Print Book & E-Book. ISBN , Book Edition: 1.

    He developed the theory of the interaction of molecules in liquids and gases with external electric and magnetic fields. In , he proposed a direct method of measurement of molecular quadrupole moments of molecules (measured in buckinghams), which he demonstrated experimentally in on the carbon dioxide : Theoretical chemistry, Chemical physics. Molecular moments All atoms and molecules (except S -state atoms) have one or more non-vanishing permanent multipole moments. Different definitions can be found in the literature, but the following definition in spherical form has the advantage that it is contained in one general equation.


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Direct determination of molecular quadrupole moments by Stephen Golub Download PDF EPUB FB2

The measurement of molecular quadrupole moments with the apparatus described here is typical of a direct measurement; that is, an experimenter measures an output parameter, and is able to calculate from this single quantity the property of interest.

The manuscript tackles the dielectric properties of molecular solids and liquid crystals and experimental determination of permanent dipole and quadrupole moments. The text is a valuable source of data for researchers interested in the application of dielectrics in time-dependent fields.

A direct measurement of the magnitude and sign of the quadrupole moment of the carbon dioxide molecule has been made by determining the birefringence induced in gaseous CO 2 by an inhomogeneous electric field. The method of measurement and the experimental details are described. This study provides a new determination of the nuclear electric quadrupole moment (NQM) for Xe, which is achieved by the molecular method.

Dirac-Coulomb Coupled Cluster calculations with a Gaunt correction (DC+G-CC) of electric field gradients (EFGs) and experimental nuclear quadrupole coupling constants of six molecular systems (XeH +, XeCuF, XeCuCl, XeAgF, XeAgCl and XeAuF) Cited by: 3.

Summary A new experimental molecular beam method has been applied to the experimental determination of the quadrupole moments of the nonpolar or only slightly polar aliphatic hydrocarbon molecules with 3 and 4 carbon by:   Electric Dipole Moments Determination of Electric Dipole Moments from Dielectric Properties Stark Effect in Microwave Spectra Molecular Beam Method References to Tables of Dipole Moments Molecular Electric Quadrupole Moments Impact Theory of Spectral Line Widths Multipole Interactions Book Edition: 1.

Molecular Zeeman effect of 3-oxetanone and 3-methylene oxetane, and the comparison of the magnetic-susceptibility anisotropies, molecular quadrupole moments, and other magnetic parameters with other four-membered rings.

Chemical Physics1 (1), DOI: /(73)Cited by: Distance Dependence and Spatial Distribution of the Molecular Quadrupole Moments of H2, N2, O2, and F2. The Journal of Physical Chemistry A(26), Cited by:   CT exciton dissociation facilitated by quadrupole moments: a Simplified sketch of the donor and acceptor energy levels at the interface (CT state), highlighted by the grey area, and in the bulk of donor and acceptor phase for Q π,D = 0 (dashed lines) and Q π,D Cited by: 6.

Determination of sulfur-containing gases from oil shale pyrolysis by triple quadrupole mass spectrometry Carla M. Wong, Richard W. Crawford, and Alan. This study provides a new determination of the nuclear electric quadrupole moment (NQM) for Xe, which is achieved by the molecular method.

Dirac-Coulomb Coupled Cluster calculations with a Gaunt correction (DC+G-CC) of electric field gradients (EFGs) and experimental nuclear quadrupole coupling constants of six molecular systems (XeH +, XeCuF, XeCuCl, XeAgF, Cited by: 3. A method for the direct determination of levoglucosan at the picogram per milliliter level in less than 1 mL of Antarctic ice has been developed.

Chemical analysis is performed by high-performance liquid chromatography with triple quadrupole tandem mass spectrometric detection. Levoglucosan, a specific molecular marker for biomass burning, is identified by negative ion electrospray mass Cited by: For reproduction of material from all other RSC journals and books: Reproduced from Ref.

XX with permission from The Royal Society of Chemistry. If the material has been adapted instead of reproduced from the original RSC publication "Reproduced from" can be substituted with "Adapted from". Molecular quadrupole moments.

Buckingham, M. Nuclear Quadrupole Resonance Spectroscopy Review nuclear quadrupole moments, Q – A negative value for Q denotes a distribution of charge that is "football-shaped", i.e. a sphere elongated at the poles; a positive value corresponds to a flattened sphere.] Some examples of nuclear quadrupole moments Nucleus I Q /m2 2H 1 x 14N 1 1 File Size: 26KB.

Contents Page Foreword • vi uction 1 ementandexplanationoftable 1 Orderingofcompounds 1 Nomenclature 1 Unitsandcorrections 1 File Size: 4MB.

Determination of deuteron quadrupole moment from calculations of the electric field gradient in D-2 and HD Article in Physical Review A 81(4) April with Reads. Mass spectrometry (MS) is a powerful analytical tool with many applications in pharmaceutical and biomedical field.

The increase in sensitivity and resolution of the instrument has opened new dimensions in analysis of pharmaceuticals and complex metabolites of biological systems. Compared with other techniques, mass spectroscopy is only the technique for molecular weight determination, through Author: Uttam Singh Baghel, Atamjit Singh, Deeksha Singh, ManishSinha.

Dynamics of molecular reorientations: Direct determination of rotational angles from two-dimensional NMR of Available via license: CC BY-NC-ND Content may be subject to copyright.

An electric quadrupole shift arises when a non-zero quadrupole electric field interacts with an electric quadrupole moment of the ion [, ]. For example, Equation (14) shows that the ion trap. ``State-of-the-art ab initio calculations of the molecular electric quadrupole moments of hydrogen fluoride''.

Chem. Phys. Lett. () A. Rizzo, S. Coriani, B. Fernandez, O. Christiansen. ``A coupled cluster response study of the electric dipole polarizability and first and second hyperpolarizabilities of HCl''. A calculation of the electric field gradient in the 2P ground state of atomic boron implies that the quadrupole moments of the stable boron isotopes, in barns, are Q(B10)= 72+/ 56, Q.Nuclear Quadrupole Hyperfine Structure of the Direct /-Type Transitions the determination of the /-type splitting constants qv, qvJ, and qvjj in the paper by Winnewisser et al.

[7], pling with the nuclear electric quadrupole moment of the Size: 6MB.High level ab initio methods have been used to calculate values of the quadrupole moment of the ground X (1)Sigmag+ state of N2 on a dense radial mesh spanning the interval of a.u.