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

using model chemistry: HF/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/SDD
 hartrees
Energy at 0K-461.997722
Energy at 298.15K-461.999680
HF Energy-461.997722
Nuclear repulsion energy187.116338
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 HF/SDD
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 1884 1697 700.12      
2 A1 962 867 101.73      
3 A1 843 759 37.74      
4 A1 559 504 122.64      
5 B1 856 771 86.65      
6 B1 185 167 65.93      
7 B2 1121 1009 621.52      
8 B2 706 636 1.72      
9 B2 489 440 13.53      

Unscaled Zero Point Vibrational Energy (zpe) 3802.8 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 3424.0 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 HF/SDD
ABC
0.42551 0.13151 0.10046

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

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 -1.956
Mg3 0.000 0.000 1.584
O4 0.000 1.113 0.071
O5 0.000 -1.113 0.071

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20802.33121.38131.3813
O21.20803.53922.31172.3117
Mg32.33123.53921.87821.8782
O41.38132.31171.87822.2257
O51.38132.31171.87822.2257

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 89.988 C1 O5 Mg3 89.988
O2 C1 O4 126.324 O2 C1 O5 126.324
O4 C1 O5 107.352 O4 Mg3 O5 72.672
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.690      
2 O -0.414      
3 Mg 1.436      
4 O -0.856      
5 O -0.856      


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 14.183 14.183
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.160 0.000 0.000
y 0.000 -40.532 0.000
z 0.000 0.000 -15.470
Traceless
 xyz
x 0.841 0.000 0.000
y 0.000 -19.217 0.000
z 0.000 0.000 18.376
Polar
3z2-r236.752
x2-y213.372
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.280 0.000 0.000
y 0.000 2.988 0.000
z 0.000 0.000 6.268


<r2> (average value of r2) Å2
<r2> 101.250
(<r2>)1/2 10.062