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

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-463.486820
Energy at 298.15K-463.488697
HF Energy-463.486820
Nuclear repulsion energy189.479063
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 PBE1PBE/6-31G*
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 1862 1770 397.76      
2 A1 945 898 64.07      
3 A1 831 789 10.24      
4 A1 542 515 78.89      
5 B1 812 771 17.14      
6 B1 166 158 42.21      
7 B2 1065 1012 533.08      
8 B2 686 652 0.95      
9 B2 491 467 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 3699.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 3515.8 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 PBE1PBE/6-31G*
ABC
0.40822 0.14010 0.10431

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.698
O2 0.000 0.000 -1.904
Mg3 0.000 0.000 1.533
O4 0.000 1.136 0.064
O5 0.000 -1.136 0.064

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20582.23101.36841.3684
O21.20583.43682.27282.2728
Mg32.23103.43681.85661.8566
O41.36842.27281.85662.2723
O51.36842.27281.85662.2723

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 86.139 C1 O5 Mg3 86.139
O2 C1 O4 123.870 O2 C1 O5 123.870
O4 C1 O5 112.260 O4 Mg3 O5 75.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.859      
2 O -0.514      
3 Mg 0.987      
4 O -0.665      
5 O -0.665      


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 11.288 11.288
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.011 0.000 0.000
y 0.000 -36.468 0.000
z 0.000 0.000 -16.532
Traceless
 xyz
x -0.511 0.000 0.000
y 0.000 -14.697 0.000
z 0.000 0.000 15.207
Polar
3z2-r230.414
x2-y29.457
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.277 0.000 0.000
y 0.000 4.049 0.000
z 0.000 0.000 8.741


<r2> (average value of r2) Å2
<r2> 97.500
(<r2>)1/2 9.874