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

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-463.570093
Energy at 298.15K-463.571682
HF Energy-463.570093
Nuclear repulsion energy186.964472
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 PBEPBE/6-311G**
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 1739 1723 289.81      
2 A1 859 851 47.11      
3 A1 780 773 2.03      
4 A1 504 500 57.04      
5 B1 755 748 4.98      
6 B1 154 153 35.67      
7 B2 838 830 531.43      
8 B2 614 609 10.69      
9 B2 360 356 42.83      

Unscaled Zero Point Vibrational Energy (zpe) 3301.0 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 3270.9 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 PBEPBE/6-311G**
ABC
0.39465 0.13687 0.10163

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.708
O2 0.000 0.000 -1.921
Mg3 0.000 0.000 1.555
O4 0.000 1.156 0.059
O5 0.000 -1.156 0.059

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.21262.26351.38711.3871
O21.21263.47612.29242.2924
Mg32.26353.47611.89051.8905
O41.38712.29241.89052.3111
O51.38712.29241.89052.3111

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 85.905 C1 O5 Mg3 85.905
O2 C1 O4 123.584 O2 C1 O5 123.584
O4 C1 O5 112.832 O4 Mg3 O5 75.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.487      
2 O -0.323      
3 Mg 0.805      
4 O -0.485      
5 O -0.485      


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 10.523 10.523
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.707 0.000 0.000
y 0.000 -36.937 0.000
z 0.000 0.000 -17.858
Traceless
 xyz
x -0.309 0.000 0.000
y 0.000 -14.155 0.000
z 0.000 0.000 14.464
Polar
3z2-r228.928
x2-y29.230
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.868 0.000 0.000
y 0.000 5.151 0.000
z 0.000 0.000 10.942


<r2> (average value of r2) Å2
<r2> 100.149
(<r2>)1/2 10.007