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: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-463.743299
Energy at 298.15K-463.745195
HF Energy-463.428437
Nuclear repulsion energy189.719877
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=FULL/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 1790 1711 425.45      
2 A1 904 864 85.88      
3 A1 832 795 8.41      
4 A1 537 513 88.10      
5 B1 810 775 13.08      
6 B1 167 160 41.49      
7 B2 997 953 522.75      
8 B2 689 658 0.83      
9 B2 508 485 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 3616.8 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 3456.9 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 B2PLYP=FULL/cc-pVTZ
ABC
0.40562 0.14121 0.10474

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.697
O2 0.000 0.000 -1.900
Mg3 0.000 0.000 1.523
O4 0.000 1.140 0.069
O5 0.000 -1.140 0.069

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20282.22051.37371.3737
O21.20283.42332.27572.2757
Mg32.22053.42331.84721.8472
O41.37372.27571.84722.2796
O51.37372.27571.84722.2796

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 85.831 C1 O5 Mg3 85.831
O2 C1 O4 123.931 O2 C1 O5 123.931
O4 C1 O5 112.139 O4 Mg3 O5 76.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability