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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-462.755667
Energy at 298.15K-462.757595
HF Energy-462.078085
Nuclear repulsion energy188.782357
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*
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 1896 1795 498.96      
2 A1 948 897 98.39      
3 A1 844 799 20.61      
4 A1 551 522 104.68      
5 B1 828 784 28.33      
6 B1 167 158 49.47      
7 B2 1114 1054 548.21      
8 B2 705 667 0.15      
9 B2 515 487 4.50      

Unscaled Zero Point Vibrational Energy (zpe) 3783.7 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 3581.2 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*
ABC
0.40631 0.13883 0.10348

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.706
O2 0.000 0.000 -1.912
Mg3 0.000 0.000 1.539
O4 0.000 1.139 0.066
O5 0.000 -1.139 0.066

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20622.24511.37561.3756
O21.20623.45132.28232.2823
Mg32.24513.45131.86231.8623
O41.37562.28231.86232.2777
O51.37562.28231.86232.2777

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 86.419 C1 O5 Mg3 86.419
O2 C1 O4 124.118 O2 C1 O5 124.118
O4 C1 O5 111.764 O4 Mg3 O5 75.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability