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

using model chemistry: PBEPBEultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/6-311G*
 hartrees
Energy at 0K-463.570113
Energy at 298.15K-463.571695
HF Energy-463.570113
Nuclear repulsion energy186.972994
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 PBEPBEultrafine/6-311G*
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 1739 1721 289.83      
2 A1 859 850 47.11      
3 A1 780 772 2.07      
4 A1 504 499 57.08      
5 B1 755 747 4.99      
6 B1 155 154 35.69      
7 B2 838 830 531.32      
8 B2 615 608 10.16      
9 B2 361 357 43.14      

Unscaled Zero Point Vibrational Energy (zpe) 3302.9 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 3268.6 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 PBEPBEultrafine/6-311G*
ABC
0.39473 0.13688 0.10164

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.708
O2 0.000 0.000 -1.921
Mg3 0.000 0.000 1.555
O4 0.000 1.155 0.059
O5 0.000 -1.155 0.059

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.21262.26341.38701.3870
O21.21263.47602.29242.2924
Mg32.26343.47601.89031.8903
O41.38702.29241.89032.3109
O51.38702.29241.89032.3109

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 85.911 C1 O5 Mg3 85.911
O2 C1 O4 123.591 O2 C1 O5 123.591
O4 C1 O5 112.819 O4 Mg3 O5 75.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.487      
2 O -0.323      
3 Mg 0.805      
4 O -0.485      
5 O -0.485      


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 10.522 10.522
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.706 0.000 0.000
y 0.000 -36.937 0.000
z 0.000 0.000 -17.857
Traceless
 xyz
x -0.309 0.000 0.000
y 0.000 -14.155 0.000
z 0.000 0.000 14.464
Polar
3z2-r228.928
x2-y29.231
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.867 0.000 0.000
y 0.000 5.149 0.000
z 0.000 0.000 10.941


<r2> (average value of r2) Å2
<r2> 100.142
(<r2>)1/2 10.007