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Visscher, L., Enevoldsen, T., Saue, T. and Oddershede, J. (1998) Molecular relativistic calculations of the electric field gradients at the nuclei in the hydrogen halides. Journal of Chemical Physics, 109, 9677-9684.
http://dx.doi.org/10.1063/1.477637

has been cited by the following article:

• TITLE: Derivation of force constants based on the electric field gradient

  AUTHORS: Zhenghe Zhu, Jiangfeng Song, Li Zhang, Deli Luo

  KEYWORDS: Full Relativistic Quantum Mechanical Theory; Electric Quadrupole Moment; Electric Field

  JOURNAL NAME: Natural Science, Vol.5 No.12, December 31, 2013

  ABSTRACT: The present work devotes to studying the electric properties: electric quadrupole moment and electric field gradient (EFG) of molecules PdH and (PdH)-2 based on the full relativistic theory. It is the first time to explore that the force constants are essentially caused by electric field gradients, and indirectly with spectroscopic data. If EFG is positive, zero or negative, then the will be positive, zero or negative. Therefore, second order force constants are adjustable to changing the intensity of EFG.