Calcium bromide

calcium bromide

name calcium bromide
formula CaBr2
CAS number 7789-41-5

Dielectric screening

Eigenvalues of the symmetrized irreducible polarizability for calcium bromide, CaBr2, computed in WEST by iterative diagonalization.

calcium bromide

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Spectral function

The G0W0 HOMO spectral function of calcium bromide, CaBr2, computed in WEST with full frequency integration.

calcium bromide

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Vertical ionization potential (G0W0)

software XC basis set core electrons self-energy QP eq. solver VIP [eV] ref.
WEST PBE PW PSP-SR FF-CD Full 9.80 [1]
WEST PBE PW PSP-FR FF-CD Full 9.67 [1]
WEST PBE0 PW PSP-SR FF-CD Full 10.24 [1]
WEST PBE0 PW PSP-FR FF-CD Full 10.10 [1]
EXP 10.35 [2]

Legend

  • EXP: Experimental value
  • FF-CD: Full frequency integration with contour deformation
  • Full: Full solution of the quasiparticle (QP) equation
  • PSP-FR: Pseudopotentials with fully relativistic effects
  • PSP-SR: Pseudopotentials with scalar relativistic effects
  • PW: Plane waves
  • XC: Exchange and correlation

References

  1. Implementation and Validation of Fully-Relativistic GW Calculations: Spin-Orbit Coupling in Molecules, Nanocrystals and Solids, P. Scherpelz, M. Govoni, I. Hamada, and G. Galli, J. Chem. Theory Comput. 12, 3523 (2016).
  2. P.J. Linstrom and W.G. Mallard, Eds., NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg MD, 20899.