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

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-462.111874
Energy at 298.15K-462.114004
HF Energy-462.111874
Nuclear repulsion energy192.973845
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/6-31G(2df,p)
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 1986 1798 678.31      
2 A1 1045 946 97.64      
3 A1 925 838 45.30      
4 A1 587 532 117.49      
5 B1 940 851 48.77      
6 B1 180 163 48.71      
7 B2 1251 1133 648.60      
8 B2 773 700 0.79      
9 B2 559 506 8.88      

Unscaled Zero Point Vibrational Energy (zpe) 4123.0 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 3733.4 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 HF/6-31G(2df,p)
ABC
0.43154 0.14372 0.10781

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.696
O2 0.000 0.000 -1.878
Mg3 0.000 0.000 1.513
O4 0.000 1.105 0.065
O5 0.000 -1.105 0.065

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.18182.20951.34171.3417
O21.18183.39142.23502.2350
Mg32.20953.39141.82201.8220
O41.34172.23501.82202.2101
O51.34172.23501.82202.2101

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 87.212 C1 O5 Mg3 87.212
O2 C1 O4 124.549 O2 C1 O5 124.549
O4 C1 O5 110.901 O4 Mg3 O5 74.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.756      
2 O -0.502      
3 Mg 1.234      
4 O -0.744      
5 O -0.744      


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 12.602 12.602
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.437 0.000 0.000
y 0.000 -36.594 0.000
z 0.000 0.000 -15.353
Traceless
 xyz
x -0.464 0.000 0.000
y 0.000 -15.699 0.000
z 0.000 0.000 16.162
Polar
3z2-r232.325
x2-y210.157
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.058 0.000 0.000
y 0.000 3.565 0.000
z 0.000 0.000 5.746


<r2> (average value of r2) Å2
<r2> 94.530
(<r2>)1/2 9.723