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

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-463.807695
Energy at 298.15K-463.809613
HF Energy-463.807695
Nuclear repulsion energy189.242107
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 wB97X-D/cc-pVDZ
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 1869 1780 491.20      
2 A1 946 901 76.52      
3 A1 831 792 17.35      
4 A1 542 516 96.07      
5 B1 824 785 19.52      
6 B1 168 160 48.80      
7 B2 1094 1042 567.66      
8 B2 689 656 0.01      
9 B2 497 474 2.99      

Unscaled Zero Point Vibrational Energy (zpe) 3729.4 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 3552.6 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 wB97X-D/cc-pVDZ
ABC
0.40965 0.13923 0.10391

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.704
O2 0.000 0.000 -1.908
Mg3 0.000 0.000 1.539
O4 0.000 1.134 0.064
O5 0.000 -1.134 0.064

Atom - Atom Distances (Å)
  C1 O2 Mg3 O4 O5
C11.20332.24301.36971.3697
O21.20333.44632.27422.2742
Mg32.24303.44631.86071.8607
O41.36972.27421.86072.2684
O51.36972.27421.86072.2684

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 86.544 C1 O5 Mg3 86.544
O2 C1 O4 124.100 O2 C1 O5 124.100
O4 C1 O5 111.800 O4 Mg3 O5 75.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.403      
2 O -0.279      
3 Mg 0.848      
4 O -0.486      
5 O -0.486      


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 11.849 11.849
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.920 0.000 0.000
y 0.000 -36.795 0.000
z 0.000 0.000 -15.425
Traceless
 xyz
x -0.809 0.000 0.000
y 0.000 -15.623 0.000
z 0.000 0.000 16.432
Polar
3z2-r232.865
x2-y29.876
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.157 0.000 0.000
y 0.000 3.732 0.000
z 0.000 0.000 7.982


<r2> (average value of r2) Å2
<r2> 97.623
(<r2>)1/2 9.880