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

using model chemistry: M06-2X/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 M06-2X/6-31G**
 hartrees
Energy at 0K-463.749201
Energy at 298.15K-463.751135
HF Energy-463.749201
Nuclear repulsion energy189.964661
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 M06-2X/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 1897 1803 486.49      
2 A1 961 913 79.19      
3 A1 844 802 19.42      
4 A1 549 522 95.94      
5 B1 824 783 24.69      
6 B1 167 159 47.15      
7 B2 1105 1051 571.02      
8 B2 701 667 0.13      
9 B2 513 487 3.11      

Unscaled Zero Point Vibrational Energy (zpe) 3780.2 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 3592.7 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 M06-2X/6-31G**
ABC
0.40996 0.14091 0.10486

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G**

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 -1.901
Mg3 0.000 0.000 1.525
O4 0.000 1.134 0.069
O5 0.000 -1.134 0.069

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20212.22451.36931.3693
O21.20213.42652.27292.2729
Mg32.22453.42651.84591.8459
O41.36932.27291.84592.2675
O51.36932.27291.84592.2675

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 86.213 C1 O5 Mg3 86.213
O2 C1 O4 124.108 O2 C1 O5 124.108
O4 C1 O5 111.785 O4 Mg3 O5 75.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.900      
2 O -0.522      
3 Mg 1.010      
4 O -0.694      
5 O -0.694      


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 11.591 11.591
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.944 0.000 0.000
y 0.000 -36.779 0.000
z 0.000 0.000 -15.839
Traceless
 xyz
x -0.635 0.000 0.000
y 0.000 -15.388 0.000
z 0.000 0.000 16.023
Polar
3z2-r232.045
x2-y29.835
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.099 0.000 0.000
y 0.000 3.726 0.000
z 0.000 0.000 7.628


<r2> (average value of r2) Å2
<r2> 96.976
(<r2>)1/2 9.848