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

using model chemistry: B2PLYP=FULLultrafine/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULLultrafine/3-21G*
 hartrees
Energy at 0K-460.927566
Energy at 298.15K 
HF Energy-460.751179
Nuclear repulsion energy185.989933
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 B2PLYP=FULLultrafine/3-21G*
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 1799 1799 318.28      
2 A1 816 816 7.20      
3 A1 807 807 84.17      
4 A1 527 527 69.60      
5 B1 740 740 16.06      
6 B1 170 170 45.04      
7 B2 867 867 311.29      
8 B2 637 637 49.12      
9 B2 512 512 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 3437.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3437.2 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 B2PLYP=FULLultrafine/3-21G*
ABC
0.37872 0.13793 0.10110

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.723
O2 0.000 0.000 -1.939
Mg3 0.000 0.000 1.521
O4 0.000 1.180 0.100
O5 0.000 -1.180 0.100

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.21642.24381.43801.4380
O21.21643.46022.35552.3555
Mg32.24383.46021.84711.8471
O41.43802.35551.84712.3592
O51.43802.35551.84712.3592

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 85.195 C1 O5 Mg3 85.195
O2 C1 O4 124.885 O2 C1 O5 124.885
O4 C1 O5 110.230 O4 Mg3 O5 79.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability