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

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-461.855245
Energy at 298.15K-461.856967
HF Energy-461.855245
Nuclear repulsion energy189.440236
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 LSDA/6-31G**
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 1823 1789 260.86      
2 A1 918 901 43.65      
3 A1 806 791 3.84      
4 A1 530 520 56.88      
5 B1 768 753 6.40      
6 B1 164 160 35.33      
7 B2 966 948 517.02      
8 B2 643 631 15.24      
9 B2 396 388 22.85      

Unscaled Zero Point Vibrational Energy (zpe) 3506.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 3440.4 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 LSDA/6-31G**
ABC
0.40494 0.14071 0.10442

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.693
O2 0.000 0.000 -1.902
Mg3 0.000 0.000 1.528
O4 0.000 1.141 0.065
O5 0.000 -1.141 0.065

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20952.22121.36951.3695
O21.20953.43072.27422.2742
Mg32.22123.43071.85551.8555
O41.36952.27421.85552.2815
O51.36952.27421.85552.2815

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 85.658 C1 O5 Mg3 85.658
O2 C1 O4 123.596 O2 C1 O5 123.596
O4 C1 O5 112.808 O4 Mg3 O5 75.876
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.714      
2 O -0.439      
3 Mg 0.835      
4 O -0.555      
5 O -0.555      


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 10.299 10.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.430 0.000 0.000
y 0.000 -36.126 0.000
z 0.000 0.000 -17.844
Traceless
 xyz
x -0.445 0.000 0.000
y 0.000 -13.489 0.000
z 0.000 0.000 13.934
Polar
3z2-r227.869
x2-y28.696
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.648 0.000 0.000
y 0.000 4.761 0.000
z 0.000 0.000 10.437


<r2> (average value of r2) Å2
<r2> 97.699
(<r2>)1/2 9.884