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

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-457.734944
Energy at 298.15K-457.736639
HF Energy-457.734944
Nuclear repulsion energy188.085055
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 B1B95/STO-3G
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 1893 1672 149.54      
2 A1 954 843 12.25      
3 A1 907 801 48.43      
4 A1 565 498 45.60      
5 B1 667 589 14.15      
6 B1 163 144 37.68      
7 B2 1115 984 170.70      
8 B2 803 709 0.28      
9 B2 503 444 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 3784.5 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 3341.7 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 B1B95/STO-3G
ABC
0.37841 0.14302 0.10379

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.688
O2 0.000 0.000 -1.939
Mg3 0.000 0.000 1.466
O4 0.000 1.180 0.127
O5 0.000 -1.180 0.127

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.25092.15391.43421.4342
O21.25093.40482.37922.3792
Mg32.15393.40481.78471.7847
O41.43422.37921.78472.3602
O51.43422.37921.78472.3602

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 83.240 C1 O5 Mg3 83.240
O2 C1 O4 124.632 O2 C1 O5 124.632
O4 C1 O5 110.736 O4 Mg3 O5 82.785
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.156      
2 O -0.281      
3 Mg 0.894      
4 O -0.385      
5 O -0.385      


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 9.251 9.251
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.916 0.000 0.000
y 0.000 -30.698 0.000
z 0.000 0.000 -16.493
Traceless
 xyz
x 0.679 0.000 0.000
y 0.000 -10.994 0.000
z 0.000 0.000 10.315
Polar
3z2-r220.629
x2-y27.782
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.065 0.000 0.000
y 0.000 1.930 0.000
z 0.000 0.000 5.811


<r2> (average value of r2) Å2
<r2> 95.837
(<r2>)1/2 9.790