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All results from a given calculation for CaF2 (Calcium difluoride)

using model chemistry: PBEPBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1Σg
Energy calculated at PBEPBE/3-21G*
 hartrees
Energy at 0K-872.535323
Energy at 298.15K-872.535341
Nuclear repulsion energy103.182437
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBE/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 486 463 0.00      
2 Σu 654 623 36.27      
3 Πu 26 25 98.35      
3 Πu 26 25 98.35      

Unscaled Zero Point Vibrational Energy (zpe) 595.6 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 567.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBE/3-21G*
B
0.10516

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.000
F2 0.000 0.000 2.054
F3 0.000 0.000 -2.054

Atom - Atom Distances (Å)
  Ca1 F2 F3
Ca12.05402.0540
F22.05404.1080
F32.05404.1080

picture of Calcium difluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 Ca1 F3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.735      
2 F -0.368      
3 F -0.368      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.473 0.000 0.000
y 0.000 -23.473 0.000
z 0.000 0.000 -47.445
Traceless
 xyz
x 11.986 0.000 0.000
y 0.000 11.986 0.000
z 0.000 0.000 -23.972
Polar
3z2-r2-47.944
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.197 0.000 0.000
y 0.000 4.197 0.000
z 0.000 0.000 3.242


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000