return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCSD(T)=FULL/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)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-463.231896
Energy at 298.15K-463.233814
HF Energy-462.208051
Nuclear repulsion energy189.951961
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)=FULL/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 1797 1732        
2 A1 919 885        
3 A1 828 798        
4 A1 536 516        
5 B1 824 794        
6 B1 170 164        
7 B2 1045 1008        
8 B2 694 669        
9 B2 508 489        

Unscaled Zero Point Vibrational Energy (zpe) 3660.0 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 3527.1 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)=FULL/aug-cc-pVTZ
ABC
0.40910 0.14102 0.10487

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.698
O2 0.000 0.000 -1.900
Mg3 0.000 0.000 1.525
O4 0.000 1.135 0.068
O5 0.000 -1.135 0.068

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20252.22291.36891.3689
O21.20253.42552.27172.2717
Mg32.22293.42551.84731.8473
O41.36892.27171.84732.2699
O51.36892.27171.84732.2699

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 86.088 C1 O5 Mg3 86.088
O2 C1 O4 123.995 O2 C1 O5 123.995
O4 C1 O5 112.011 O4 Mg3 O5 75.813
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability