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

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1Σg
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-876.065120
Energy at 298.15K-876.065345
Nuclear repulsion energy103.238125
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 CISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 515 477 0.00      
2 Σu 676 626 173.90      
3 Πu 73 67 123.07      
3 Πu 73 67 123.07      

Unscaled Zero Point Vibrational Energy (zpe) 668.2 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 618.7 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 CISD/6-31G*
B
0.10527

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G*

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 2.053
F3 0.000 0.000 -2.053

Atom - Atom Distances (Å)
  Ca1 F2 F3
Ca12.05292.0529
F22.05294.1058
F32.05294.1058

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