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

using model chemistry: B2PLYP/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 B2PLYP/STO-3G
 hartrees
Energy at 0K-457.311510
Energy at 298.15K-457.313165
HF Energy-457.221154
Nuclear repulsion energy187.125543
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/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 1832 1832 138.26      
2 A1 944 944 12.99      
3 A1 880 880 47.01      
4 A1 562 562 42.36      
5 B1 644 644 13.19      
6 B1 164 164 36.61      
7 B2 1074 1074 155.36      
8 B2 792 792 2.39      
9 B2 497 497 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 3694.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3694.5 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/STO-3G
ABC
0.37239 0.14198 0.10279

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/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 -1.950
Mg3 0.000 0.000 1.467
O4 0.000 1.190 0.134
O5 0.000 -1.190 0.134

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.25872.15811.44791.4479
O21.25873.41682.39982.3998
Mg32.15813.41681.78631.7863
O41.44792.39981.78632.3792
O51.44792.39981.78632.3792

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 83.004 C1 O5 Mg3 83.004
O2 C1 O4 124.757 O2 C1 O5 124.757
O4 C1 O5 110.486 O4 Mg3 O5 83.507
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.153      
2 O -0.271      
3 Mg 0.873      
4 O -0.378      
5 O -0.378      


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 8.952 8.952
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.955 0.000 0.000
y 0.000 -30.718 0.000
z 0.000 0.000 -16.766
Traceless
 xyz
x 0.787 0.000 0.000
y 0.000 -10.857 0.000
z 0.000 0.000 10.070
Polar
3z2-r220.141
x2-y27.763
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.069 0.000 0.000
y 0.000 2.020 0.000
z 0.000 0.000 6.048


<r2> (average value of r2) Å2
<r2> 96.700
(<r2>)1/2 9.834