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

using model chemistry: PBEPBE/aug-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 PBEPBE/aug-cc-pVTZ
 hartrees
Energy at 0K-463.616075
Energy at 298.15K-463.617784
HF Energy-463.616075
Nuclear repulsion energy187.992618
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 PBEPBE/aug-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 1710 1698 353.39      
2 A1 865 859 58.74      
3 A1 787 781 4.05      
4 A1 506 502 71.39      
5 B1 762 757 5.59      
6 B1 159 158 35.48      
7 B2 898 892 541.10      
8 B2 634 630 1.34      
9 B2 432 430 3.02      

Unscaled Zero Point Vibrational Energy (zpe) 3375.6 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 3353.6 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 PBEPBE/aug-cc-pVTZ
ABC
0.39688 0.13892 0.10290

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.700
O2 0.000 0.000 -1.915
Mg3 0.000 0.000 1.537
O4 0.000 1.152 0.067
O5 0.000 -1.152 0.067

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.21412.23781.38441.3844
O21.21413.45192.29212.2921
Mg32.23783.45191.86821.8682
O41.38442.29211.86822.3046
O51.38442.29211.86822.3046

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 85.576 C1 O5 Mg3 85.576
O2 C1 O4 123.659 O2 C1 O5 123.659
O4 C1 O5 112.682 O4 Mg3 O5 76.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.539      
2 O -0.427      
3 Mg 0.830      
4 O -0.471      
5 O -0.471      


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 10.956 10.956
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.040 0.000 0.000
y 0.000 -37.271 0.000
z 0.000 0.000 -18.550
Traceless
 xyz
x -0.130 0.000 0.000
y 0.000 -13.976 0.000
z 0.000 0.000 14.105
Polar
3z2-r228.211
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 4.913 0.000 0.000
y 0.000 6.360 0.000
z 0.000 0.000 11.408


<r2> (average value of r2) Å2
<r2> 99.403
(<r2>)1/2 9.970