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All results from a given calculation for MgCO3 (Magnesium Carbonate)

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 1A1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-462.356328
Energy at 298.15K-462.358150
HF Energy-461.938527
Nuclear repulsion energy184.847454
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
4/u)
Dep P Dep U
1 A1 1809 1697 475.84      
2 A1 889 834 91.40      
3 A1 801 751 16.83      
4 A1 530 497 104.50      
5 B1 771 723 48.24      
6 B1 169 158 60.90      
7 B2 1005 942 496.46      
8 B2 668 626 1.32      
9 B2 485 455 6.70      

Unscaled Zero Point Vibrational Energy (zpe) 3563.2 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 3341.6 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
ABC
0.39948 0.13115 0.09874

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.742
O2 0.000 0.000 -1.964
Mg3 0.000 0.000 1.582
O4 0.000 1.149 0.074
O5 0.000 -1.149 0.074

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.22222.32421.40921.4092
O21.22223.54642.33992.3399
Mg32.32423.54641.89541.8954
O41.40922.33991.89542.2971
O51.40922.33991.89542.2971

picture of Magnesium Carbonate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 Mg3 88.108 C1 O5 Mg3 88.108
O2 C1 O4 125.407 O2 C1 O5 125.407
O4 C1 O5 109.186 O4 Mg3 O5 74.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability