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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-461.238868
Energy at 298.15K-461.240270
HF Energy-461.238868
Nuclear repulsion energy183.250489
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 BLYP/3-21G
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 1705 1696 224.08      
2 A1 763 759 40.29      
3 A1 746 742 5.87      
4 A1 489 486 38.42      
5 B1 678 674 0.77      
6 B1 144 143 28.84      
7 B2 687 683 243.09      
8 B2 558 555 52.36      
9 B2 377 375 72.62      

Unscaled Zero Point Vibrational Energy (zpe) 3073.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 3056.2 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 BLYP/3-21G
ABC
0.37345 0.13264 0.09788

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.738
O2 0.000 0.000 -1.965
Mg3 0.000 0.000 1.562
O4 0.000 1.188 0.088
O5 0.000 -1.188 0.088

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.22702.30041.44681.4468
O21.22703.52742.37192.3719
Mg32.30043.52741.89341.8934
O41.44682.37191.89342.3758
O51.44682.37191.89342.3758

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 85.956 C1 O5 Mg3 85.956
O2 C1 O4 124.813 O2 C1 O5 124.813
O4 C1 O5 110.374 O4 Mg3 O5 77.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.645      
2 O -0.442      
3 Mg 0.810      
4 O -0.507      
5 O -0.507      


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 8.871 8.871
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.111 0.000 0.000
y 0.000 -37.301 0.000
z 0.000 0.000 -20.068
Traceless
 xyz
x 0.574 0.000 0.000
y 0.000 -13.211 0.000
z 0.000 0.000 12.638
Polar
3z2-r225.275
x2-y29.190
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.060 0.000 0.000
y 0.000 5.199 0.000
z 0.000 0.000 11.525


<r2> (average value of r2) Å2
<r2> 103.949
(<r2>)1/2 10.196