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

using model chemistry: TPSSh/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 TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-463.907538
Energy at 298.15K-463.909367
HF Energy-463.907538
Nuclear repulsion energy189.295866
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 TPSSh/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 1806 1743 349.20      
2 A1 894 863 56.55      
3 A1 820 792 11.15      
4 A1 528 509 73.18      
5 B1 787 759 9.75      
6 B1 164 158 39.46      
7 B2 976 942 543.69      
8 B2 671 647 0.47      
9 B2 484 467 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 3564.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 3439.6 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 TPSSh/6-31G(2df,p)
ABC
0.40194 0.14096 0.10436

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/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 -1.904
Mg3 0.000 0.000 1.523
O4 0.000 1.145 0.072
O5 0.000 -1.145 0.072

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20472.22151.38021.3802
O21.20473.42622.28322.2832
Mg32.22153.42621.84831.8483
O41.38022.28321.84832.2900
O51.38022.28321.84832.2900

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 85.662 C1 O5 Mg3 85.662
O2 C1 O4 123.942 O2 C1 O5 123.942
O4 C1 O5 112.115 O4 Mg3 O5 76.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.627      
2 O -0.410      
3 Mg 0.871      
4 O -0.544      
5 O -0.544      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 10.663 10.663
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.050 0.000 0.000
y 0.000 4.931 0.000
z 0.000 0.000 9.278


<r2> (average value of r2) Å2
<r2> 97.536
(<r2>)1/2 9.876