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

using model chemistry: B2PLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-463.720508
Energy at 298.15K-463.722393
HF Energy-463.428238
Nuclear repulsion energy189.447364
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/cc-pVTZ
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 1786 1714 425.49      
2 A1 901 865 86.09      
3 A1 827 793 8.23      
4 A1 535 513 88.37      
5 B1 807 774 13.08      
6 B1 167 160 41.56      
7 B2 994 953 523.50      
8 B2 684 656 0.83      
9 B2 503 483 2.01      

Unscaled Zero Point Vibrational Energy (zpe) 3601.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 3455.1 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/cc-pVTZ
ABC
0.40505 0.14067 0.10441

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.699
O2 0.000 0.000 -1.903
Mg3 0.000 0.000 1.526
O4 0.000 1.141 0.069
O5 0.000 -1.141 0.069

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20382.22571.37521.3752
O21.20383.42962.27812.2781
Mg32.22573.42961.85081.8508
O41.37522.27811.85082.2812
O51.37522.27811.85082.2812

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 85.915 C1 O5 Mg3 85.915
O2 C1 O4 123.960 O2 C1 O5 123.960
O4 C1 O5 112.080 O4 Mg3 O5 76.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.432      
2 O -0.311      
3 Mg 0.721      
4 O -0.422      
5 O -0.422      


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 11.378 11.378
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.431 0.000 0.000
y 0.000 -36.940 0.000
z 0.000 0.000 -17.098
Traceless
 xyz
x -0.412 0.000 0.000
y 0.000 -14.675 0.000
z 0.000 0.000 15.087
Polar
3z2-r230.175
x2-y29.509
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.741 0.000 0.000
y 0.000 4.657 0.000
z 0.000 0.000 9.114


<r2> (average value of r2) Å2
<r2> 97.723
(<r2>)1/2 9.885