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

using model chemistry: B3PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311G**
 hartrees
Energy at 0K-463.816430
Energy at 298.15K-463.818294
HF Energy-463.816430
Nuclear repulsion energy189.016226
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 B3PW91/6-311G**
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 1820 1752 416.62      
2 A1 922 888 68.04      
3 A1 822 792 8.50      
4 A1 532 512 81.98      
5 B1 812 782 15.95      
6 B1 163 157 43.85      
7 B2 1010 973 563.89      
8 B2 678 653 0.03      
9 B2 486 468 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 3621.6 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 3488.0 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 B3PW91/6-311G**
ABC
0.40824 0.13894 0.10366

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

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 -1.906
Mg3 0.000 0.000 1.543
O4 0.000 1.136 0.060
O5 0.000 -1.136 0.060

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20132.24831.36961.3696
O21.20133.44962.27082.2708
Mg32.24833.44961.86861.8686
O41.36962.27081.86862.2723
O51.36962.27081.86862.2723

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 86.499 C1 O5 Mg3 86.499
O2 C1 O4 123.946 O2 C1 O5 123.946
O4 C1 O5 112.107 O4 Mg3 O5 74.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.569      
2 O -0.373      
3 Mg 0.916      
4 O -0.556      
5 O -0.556      


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 11.546 11.546
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.136 0.000 0.000
y 0.000 -37.002 0.000
z 0.000 0.000 -16.436
Traceless
 xyz
x -0.417 0.000 0.000
y 0.000 -15.216 0.000
z 0.000 0.000 15.633
Polar
3z2-r231.266
x2-y29.865
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.372 0.000 0.000
y 0.000 4.168 0.000
z 0.000 0.000 9.039


<r2> (average value of r2) Å2
<r2> 98.121
(<r2>)1/2 9.906