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All results from a given calculation for CaCO3 (Calcium Carbonate)

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-934.413846
Energy at 298.15K-934.415896
Nuclear repulsion energy228.481176
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 HF/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 1884 1706 677.16      
2 A1 1007 912 91.62      
3 A1 784 710 13.20      
4 A1 462 418 93.20      
5 B1 896 811 82.01      
6 B1 134 121 40.01      
7 B2 1177 1066 653.90      
8 B2 726 657 0.66      
9 B2 417 378 16.30      

Unscaled Zero Point Vibrational Energy (zpe) 3743.0 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 3389.7 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 HF/3-21G
ABC
0.42122 0.08675 0.07193

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.096
O2 0.000 0.000 -2.310
Ca3 0.000 0.000 1.511
O4 0.000 1.119 -0.322
O5 0.000 -1.119 -0.322

Atom - Atom Distances (Å)
  C1 O2 Ca3 O4 O5
C11.21362.60731.36021.3602
O21.21363.82092.28072.2807
Ca32.60733.82092.14762.1476
O41.36022.28072.14762.2370
O51.36022.28072.14762.2370

picture of Calcium Carbonate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 Ca3 180.000 O2 C1 O4 124.682
O2 C1 O5 124.682 Ca3 C1 O4 55.318
Ca3 C1 O5 55.318 O4 C1 O5 110.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.025      
2 O -0.693      
3 Ca 1.521      
4 O -0.926      
5 O -0.926      


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 17.887 17.887
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.630 0.000 0.000
y 0.000 -45.135 0.000
z 0.000 0.000 -24.928
Traceless
 xyz
x 3.402 0.000 0.000
y 0.000 -16.855 0.000
z 0.000 0.000 13.454
Polar
3z2-r226.908
x2-y213.505
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.186 0.000 0.000
y 0.000 3.200 0.000
z 0.000 0.000 7.167


<r2> (average value of r2) Å2
<r2> 138.411
(<r2>)1/2 11.765