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

using model chemistry: QCISD/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/cc-pVDZ
 hartrees
Energy at 0K-462.811118
Energy at 298.15K-462.813006
HF Energy-462.106988
Nuclear repulsion energy188.012181
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/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 1842 1768 413.78      
2 A1 915 878 83.89      
3 A1 821 788 5.87      
4 A1 541 519 84.54      
5 B1 815 782 17.35      
6 B1 168 161 46.04      
7 B2 1011 970 497.73      
8 B2 685 657 0.64      
9 B2 496 476 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 3647.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 3499.2 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 QCISD/cc-pVDZ
ABC
0.40228 0.13781 0.10265

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.708
O2 0.000 0.000 -1.916
Mg3 0.000 0.000 1.548
O4 0.000 1.145 0.063
O5 0.000 -1.145 0.063

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20822.25571.37961.3796
O21.20823.46402.28582.2858
Mg32.25573.46401.87521.8752
O41.37962.28581.87522.2891
O51.37962.28581.87522.2891

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 86.327 C1 O5 Mg3 86.327
O2 C1 O4 123.943 O2 C1 O5 123.943
O4 C1 O5 112.115 O4 Mg3 O5 75.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability