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

using model chemistry: B3LYP/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 B3LYP/STO-3G
 hartrees
Energy at 0K-457.761249
Energy at 298.15K-457.762872
HF Energy-457.761249
Nuclear repulsion energy186.608240
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/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 1836 1639 136.62      
2 A1 931 831 11.28      
3 A1 873 779 41.50      
4 A1 554 494 40.34      
5 B1 641 572 11.52      
6 B1 162 145 34.67      
7 B2 1064 949 152.25      
8 B2 772 689 1.66      
9 B2 487 435 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 3660.2 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 3266.4 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/STO-3G
ABC
0.37096 0.14107 0.10221

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.695
O2 0.000 0.000 -1.953
Mg3 0.000 0.000 1.474
O4 0.000 1.192 0.132
O5 0.000 -1.192 0.132

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.25802.16931.45081.4508
O21.25803.42732.40182.4018
Mg32.16933.42731.79491.7949
O41.45082.40181.79492.3838
O51.45082.40181.79492.3838

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 83.154 C1 O5 Mg3 83.154
O2 C1 O4 124.762 O2 C1 O5 124.762
O4 C1 O5 110.476 O4 Mg3 O5 83.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.144      
2 O -0.271      
3 Mg 0.865      
4 O -0.369      
5 O -0.369      


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 8.926 8.926
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.019 0.000 0.000
y 0.000 -30.611 0.000
z 0.000 0.000 -16.873
Traceless
 xyz
x 0.723 0.000 0.000
y 0.000 -10.665 0.000
z 0.000 0.000 9.942
Polar
3z2-r219.883
x2-y27.592
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.097 0.000 0.000
y 0.000 2.023 0.000
z 0.000 0.000 5.980


<r2> (average value of r2) Å2
<r2> 97.180
(<r2>)1/2 9.858