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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-54.348124
Energy at 298.15K-54.349756
HF Energy-54.348124
Nuclear repulsion energy62.551833
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 B3LYP/CEP-121G
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 1674 1631 380.61      
2 A1 822 801 73.36      
3 A1 735 716 4.02      
4 A1 485 473 80.83      
5 B1 707 689 15.95      
6 B1 163 159 52.27      
7 B2 864 842 497.35      
8 B2 607 591 3.12      
9 B2 439 428 2.59      

Unscaled Zero Point Vibrational Energy (zpe) 3247.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 3164.9 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 B3LYP/CEP-121G
ABC
0.38967 0.12901 0.09692

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.748
O2 0.000 0.000 -1.986
Mg3 0.000 0.000 1.590
O4 0.000 1.163 0.081
O5 0.000 -1.163 0.081

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.23872.33781.42771.4277
O21.23873.57652.37162.3716
Mg32.33783.57651.90551.9055
O41.42772.37161.90552.3258
O51.42772.37161.90552.3258

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 87.851 C1 O5 Mg3 87.851
O2 C1 O4 125.461 O2 C1 O5 125.461
O4 C1 O5 109.079 O4 Mg3 O5 75.219
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.230      
2 O -0.146      
3 Mg 1.263      
4 O -0.673      
5 O -0.673      


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 12.480 12.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.067 0.000 0.000
y 0.000 -38.122 0.000
z 0.000 0.000 -14.413
Traceless
 xyz
x 0.201 0.000 0.000
y 0.000 -17.882 0.000
z 0.000 0.000 17.681
Polar
3z2-r235.362
x2-y212.055
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.563 0.000 0.000
y 0.000 4.619 0.000
z 0.000 0.000 10.349


<r2> (average value of r2) Å2
<r2> 63.634
(<r2>)1/2 7.977