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

using model chemistry: CCSD(T)/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-463.139940
Energy at 298.15K-463.141834
HF Energy-462.206570
Nuclear repulsion energy189.008863
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 CCSD(T)/aug-cc-pVTZ
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 1781 1727        
2 A1 908 881        
3 A1 825 800        
4 A1 533 517        
5 B1 811 787        
6 B1 164 159        
7 B2 1040 1009        
8 B2 690 669        
9 B2 505 490        

Unscaled Zero Point Vibrational Energy (zpe) 3628.1 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 3518.9 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 CCSD(T)/aug-cc-pVTZ
ABC
0.40599 0.13942 0.10378

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.702
O2 0.000 0.000 -1.910
Mg3 0.000 0.000 1.535
O4 0.000 1.139 0.067
O5 0.000 -1.139 0.067

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20722.23751.37461.3746
O21.20723.44472.28122.2812
Mg32.23753.44471.85851.8585
O41.37462.28121.85852.2786
O51.37462.28121.85852.2786

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 86.215 C1 O5 Mg3 86.215
O2 C1 O4 124.022 O2 C1 O5 124.022
O4 C1 O5 111.957 O4 Mg3 O5 75.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability