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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-461.941453
Energy at 298.15K-461.943438
HF Energy-461.941453
Nuclear repulsion energy187.826557
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 HF/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 1914 1728 633.86      
2 A1 978 883 95.86      
3 A1 856 773 36.12      
4 A1 564 509 117.62      
5 B1 852 769 88.25      
6 B1 180 162 64.01      
7 B2 1149 1037 590.26      
8 B2 718 648 0.51      
9 B2 502 453 11.53      

Unscaled Zero Point Vibrational Energy (zpe) 3856.3 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 3481.8 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 HF/6-31G
ABC
0.42496 0.13316 0.10139

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.739
O2 0.000 0.000 -1.944
Mg3 0.000 0.000 1.575
O4 0.000 1.114 0.068
O5 0.000 -1.114 0.068

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20492.31351.37501.3750
O21.20493.51842.29922.2992
Mg32.31353.51841.87371.8737
O41.37502.29921.87372.2272
O51.37502.29921.87372.2272

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 89.453 C1 O5 Mg3 89.453
O2 C1 O4 125.918 O2 C1 O5 125.918
O4 C1 O5 108.165 O4 Mg3 O5 72.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.016      
2 O -0.579      
3 Mg 1.424      
4 O -0.931      
5 O -0.931      


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 13.869 13.869
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.729 0.000 0.000
y 0.000 -39.752 0.000
z 0.000 0.000 -15.361
Traceless
 xyz
x 0.827 0.000 0.000
y 0.000 -18.708 0.000
z 0.000 0.000 17.880
Polar
3z2-r235.760
x2-y213.023
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.031 0.000 0.000
y 0.000 2.806 0.000
z 0.000 0.000 6.220


<r2> (average value of r2) Å2
<r2> 100.208
(<r2>)1/2 10.010