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

using model chemistry: CCSD/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 CCSD/aug-cc-pVDZ
 hartrees
Energy at 0K-462.879231
Energy at 298.15K-462.881142
HF Energy-462.136686
Nuclear repulsion energy188.101465
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/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 1792 1726 541.00      
2 A1 915 881 102.85      
3 A1 829 799 17.97      
4 A1 536 517 113.41      
5 B1 817 787 17.31      
6 B1 168 162 46.68      
7 B2 1065 1026 580.00      
8 B2 691 666 0.13      
9 B2 503 485 7.58      

Unscaled Zero Point Vibrational Energy (zpe) 3658.4 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 3524.5 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/aug-cc-pVDZ
ABC
0.40465 0.13760 0.10268

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/aug-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 -1.921
Mg3 0.000 0.000 1.546
O4 0.000 1.141 0.067
O5 0.000 -1.141 0.067

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.21272.25421.37971.3797
O21.21273.46692.29232.2923
Mg32.25423.46691.86791.8679
O41.37972.29231.86792.2824
O51.37972.29231.86792.2824

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 86.537 C1 O5 Mg3 86.537
O2 C1 O4 124.194 O2 C1 O5 124.194
O4 C1 O5 111.611 O4 Mg3 O5 75.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability