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

using model chemistry: B2PLYP=FULL/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-463.619596
Energy at 298.15K-463.621471
HF Energy-463.330572
Nuclear repulsion energy189.717101
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/6-31G(2df,p)
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 1826 1826 381.78      
2 A1 900 900 77.95      
3 A1 826 826 7.82      
4 A1 537 537 79.77      
5 B1 808 808 12.93      
6 B1 169 169 40.84      
7 B2 983 983 517.57      
8 B2 683 683 1.71      
9 B2 503 503 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 3617.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3617.7 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/6-31G(2df,p)
ABC
0.40437 0.14144 0.10479

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.699
O2 0.000 0.000 -1.900
Mg3 0.000 0.000 1.520
O4 0.000 1.142 0.072
O5 0.000 -1.142 0.072

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20062.21931.37751.3775
O21.20063.41992.27822.2782
Mg32.21933.41991.84421.8442
O41.37752.27821.84422.2831
O51.37752.27821.84422.2831

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 85.787 C1 O5 Mg3 85.787
O2 C1 O4 124.031 O2 C1 O5 124.031
O4 C1 O5 111.938 O4 Mg3 O5 76.487
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability