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

using model chemistry: B3PW91/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 B3PW91/STO-3G
 hartrees
Energy at 0K-457.653402
Energy at 298.15K-457.655063
HF Energy-457.653402
Nuclear repulsion energy187.261631
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/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 1866 1651 143.58      
2 A1 940 832 10.73      
3 A1 892 790 45.34      
4 A1 560 496 43.42      
5 B1 656 580 11.92      
6 B1 162 143 36.38      
7 B2 1090 965 163.00      
8 B2 786 695 0.78      
9 B2 496 439 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 3724.2 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 3295.9 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/STO-3G
ABC
0.37422 0.14196 0.10292

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.691
O2 0.000 0.000 -1.946
Mg3 0.000 0.000 1.471
O4 0.000 1.187 0.129
O5 0.000 -1.187 0.129

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.25532.16201.44241.4424
O21.25533.41732.39062.3906
Mg32.16203.41731.79151.7915
O41.44242.39061.79152.3733
O51.44242.39061.79152.3733

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 83.160 C1 O5 Mg3 83.160
O2 C1 O4 124.643 O2 C1 O5 124.643
O4 C1 O5 110.713 O4 Mg3 O5 82.966
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.140      
2 O -0.274      
3 Mg 0.880      
4 O -0.373      
5 O -0.373      


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 9.138 9.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.974 0.000 0.000
y 0.000 -30.611 0.000
z 0.000 0.000 -16.612
Traceless
 xyz
x 0.638 0.000 0.000
y 0.000 -10.818 0.000
z 0.000 0.000 10.180
Polar
3z2-r220.360
x2-y27.638
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.100 0.000 0.000
y 0.000 1.983 0.000
z 0.000 0.000 5.964


<r2> (average value of r2) Å2
<r2> 96.548
(<r2>)1/2 9.826