return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for CaCl2 (Calcium Chloride)

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-1596.367754
Energy at 298.15K-1596.367506
HF Energy-1595.874800
Nuclear repulsion energy173.408554
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 CCD/6-31G(2df,p)
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 277 262 0.00      
2 Σu 428 405 147.50      
3 Πu 18 17 73.62      
3 Πu 18 17 73.62      

Unscaled Zero Point Vibrational Energy (zpe) 369.6 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 350.1 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 CCD/6-31G(2df,p)
B
0.03808

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.000
Cl2 0.000 0.000 2.516
Cl3 0.000 0.000 -2.516

Atom - Atom Distances (Å)
  Ca1 Cl2 Cl3
Ca12.51612.5161
Cl22.51615.0321
Cl32.51615.0321

picture of Calcium Chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Ca1 Cl3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability