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

using model chemistry: HF/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 HF/STO-3G
 hartrees
Energy at 0K-456.070832
Energy at 298.15K-456.072798
HF Energy-456.070832
Nuclear repulsion energy191.700828
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/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 2087 1704 255.82      
2 A1 1055 862 53.86      
3 A1 1024 836 47.65      
4 A1 632 516 64.84      
5 B1 765 625 50.75      
6 B1 178 145 50.03      
7 B2 1337 1092 220.68      
8 B2 928 758 10.13      
9 B2 560 457 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 4282.6 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 3496.8 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/STO-3G
ABC
0.40658 0.14566 0.10724

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.690
O2 0.000 0.000 -1.914
Mg3 0.000 0.000 1.458
O4 0.000 1.138 0.122
O5 0.000 -1.138 0.122

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.22412.14731.39831.3983
O21.22413.37142.33272.3327
Mg32.14733.37141.75491.7549
O41.39832.33271.75492.2769
O51.39832.33271.75492.2769

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 85.046 C1 O5 Mg3 85.046
O2 C1 O4 125.493 O2 C1 O5 125.493
O4 C1 O5 109.013 O4 Mg3 O5 80.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.283      
2 O -0.346      
3 Mg 1.053      
4 O -0.495      
5 O -0.495      


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 10.562 10.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.323 0.000 0.000
y 0.000 -31.635 0.000
z 0.000 0.000 -15.225
Traceless
 xyz
x 1.107 0.000 0.000
y 0.000 -12.861 0.000
z 0.000 0.000 11.754
Polar
3z2-r223.508
x2-y29.312
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.786 0.000 0.000
y 0.000 1.451 0.000
z 0.000 0.000 4.701


<r2> (average value of r2) Å2
<r2> 93.032
(<r2>)1/2 9.645