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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-463.178881
Energy at 298.15K-463.173751
HF Energy-462.074725
Nuclear repulsion energy191.659869
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 CBS-Q
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 2000 2000 728.57      
2 A1 1047 1047 102.62      
3 A1 908 908 38.11      
4 A1 582 582 120.30      
5 B1 937 937 65.01      
6 B1 179 179 53.75      
7 B2 1254 1254 678.25      
8 B2 761 761 0.71      
9 B2 541 541 9.38      

Unscaled Zero Point Vibrational Energy (zpe) 4104.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4104.5 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 CBS-Q
ABC
0.39901 0.13794 0.10250

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.705
O2 0.000 0.000 -1.889
Mg3 0.000 0.000 1.535
O4 0.000 1.105 0.058
O5 0.000 -1.105 0.058

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.18372.24011.34261.3426
O21.18373.42382.23842.2384
Mg32.24013.42381.84431.8443
O41.34262.23841.84432.2093
O51.34262.23841.84432.2093

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 87.846 C1 O5 Mg3 87.846
O2 C1 O4 124.641 O2 C1 O5 124.641
O4 C1 O5 110.719 O4 Mg3 O5 73.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability