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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-463.534757
Energy at 298.15K-463.536584
HF Energy-463.301557
Nuclear repulsion energy188.309942
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 B2PLYP/6-31G*
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 1822 1730 380.27      
2 A1 901 855 77.85      
3 A1 814 773 5.67      
4 A1 535 508 76.69      
5 B1 791 751 15.92      
6 B1 166 158 41.96      
7 B2 989 938 489.15      
8 B2 671 637 0.24      
9 B2 489 464 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 3588.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 3406.3 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 B2PLYP/6-31G*
ABC
0.40085 0.13884 0.10312

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.704
O2 0.000 0.000 -1.914
Mg3 0.000 0.000 1.538
O4 0.000 1.147 0.068
O5 0.000 -1.147 0.068

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.21012.24181.38211.3821
O21.21013.45192.28962.2896
Mg32.24183.45191.86431.8643
O41.38212.28961.86432.2931
O51.38212.28961.86432.2931

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 85.991 C1 O5 Mg3 85.991
O2 C1 O4 123.944 O2 C1 O5 123.944
O4 C1 O5 112.112 O4 Mg3 O5 75.905
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.842      
2 O -0.496      
3 Mg 0.967      
4 O -0.657      
5 O -0.657      


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 11.067 11.067
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.270 0.000 0.000
y 0.000 -36.847 0.000
z 0.000 0.000 -16.786
Traceless
 xyz
x -0.454 0.000 0.000
y 0.000 -14.819 0.000
z 0.000 0.000 15.273
Polar
3z2-r230.545
x2-y29.577
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.336 0.000 0.000
y 0.000 4.137 0.000
z 0.000 0.000 9.210


<r2> (average value of r2) Å2
<r2> 98.613
(<r2>)1/2 9.930