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All results from a given calculation for CaCO3 (Calcium Carbonate)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-53.586981
Energy at 298.15K-53.588695
Nuclear repulsion energy61.121064
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 MP2/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1597 1559 514.75      
2 A1 831 811 129.76      
3 A1 667 651 3.37      
4 A1 381 372 85.12      
5 B1 709 692 19.89      
6 B1 118 115 52.42      
7 B2 940 917 649.40      
8 B2 617 603 6.11      
9 B2 411 401 12.63      

Unscaled Zero Point Vibrational Energy (zpe) 3134.7 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 3059.5 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 MP2/CEP-121G
ABC
0.38244 0.08643 0.07050

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.096
O2 0.000 0.000 -2.359
Ca3 0.000 0.000 1.494
O4 0.000 1.174 -0.277
O5 0.000 -1.174 -0.277

Atom - Atom Distances (Å)
  C1 O2 Ca3 O4 O5
C11.26272.58991.43141.4314
O21.26273.85262.38992.3899
Ca32.58993.85262.12452.1245
O41.43142.38992.12452.3477
O51.43142.38992.12452.3477

picture of Calcium Carbonate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 Ca3 180.000 O2 C1 O4 124.907
O2 C1 O5 124.907 Ca3 C1 O4 55.093
Ca3 C1 O5 55.093 O4 C1 O5 110.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability