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

using model chemistry: CCD/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 CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-463.088354
Energy at 298.15K-463.090333
HF Energy-462.209012
Nuclear repulsion energy190.261565
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 CCD/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1844 1765 598.04      
2 A1 957 916 109.32      
3 A1 854 818 28.26      
4 A1 548 525 116.97      
5 B1 848 812 20.92      
6 B1 169 162 48.14      
7 B2 1123 1075 602.69      
8 B2 717 686 0.19      
9 B2 522 500 10.21      

Unscaled Zero Point Vibrational Energy (zpe) 3791.5 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 3628.5 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 CCD/aug-cc-pVTZ
ABC
0.41460 0.14066 0.10503

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.700
O2 0.000 0.000 -1.899
Mg3 0.000 0.000 1.530
O4 0.000 1.127 0.065
O5 0.000 -1.127 0.065

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.19922.22991.36251.3625
O21.19923.42912.26482.2648
Mg32.22993.42911.84841.8484
O41.36252.26481.84842.2548
O51.36252.26481.84842.2548

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 86.579 C1 O5 Mg3 86.579
O2 C1 O4 124.163 O2 C1 O5 124.163
O4 C1 O5 111.675 O4 Mg3 O5 75.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability