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

using model chemistry: QCISD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-462.884024
Energy at 298.15K-462.885903
HF Energy-462.136097
Nuclear repulsion energy187.812756
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 QCISD/aug-cc-pVDZ
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 1772 1717 496.28      
2 A1 903 875 96.23      
3 A1 819 793 10.52      
4 A1 531 515 104.69      
5 B1 807 782 14.82      
6 B1 168 162 45.16      
7 B2 1023 991 566.87      
8 B2 681 660 0.73      
9 B2 494 478 4.71      

Unscaled Zero Point Vibrational Energy (zpe) 3599.3 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 3486.7 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 QCISD/aug-cc-pVDZ
ABC
0.40306 0.13725 0.10238

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.709
O2 0.000 0.000 -1.923
Mg3 0.000 0.000 1.548
O4 0.000 1.143 0.066
O5 0.000 -1.143 0.066

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.21452.25701.38141.3814
O21.21453.47152.29472.2947
Mg32.25703.47151.87181.8718
O41.38142.29471.87182.2868
O51.38142.29471.87182.2868

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 86.479 C1 O5 Mg3 86.479
O2 C1 O4 124.132 O2 C1 O5 124.132
O4 C1 O5 111.736 O4 Mg3 O5 75.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability