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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-936.563637
Energy at 298.15K-936.565490
Nuclear repulsion energy226.674159
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 mPW1PW91/3-21G*
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 1775 1685 430.78      
2 A1 900 854 78.06      
3 A1 713 677 8.19      
4 A1 442 419 51.42      
5 B1 796 756 16.57      
6 B1 131 125 32.42      
7 B2 909 864 382.19      
8 B2 650 618 0.02      
9 B2 407 387 2.50      

Unscaled Zero Point Vibrational Energy (zpe) 3361.7 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 3192.3 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 mPW1PW91/3-21G*
ABC
0.39557 0.08728 0.07150

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.092
O2 0.000 0.000 -2.316
Ca3 0.000 0.000 1.501
O4 0.000 1.154 -0.308
O5 0.000 -1.154 -0.308

Atom - Atom Distances (Å)
  C1 O2 Ca3 O4 O5
C11.22462.59221.39481.3948
O21.22463.81682.31582.3158
Ca32.59223.81682.14602.1460
O41.39482.31582.14602.3084
O51.39482.31582.14602.3084

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 124.154
O2 C1 O5 124.154 Ca3 C1 O4 55.846
Ca3 C1 O5 55.846 O4 C1 O5 111.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.713      
2 O -0.536      
3 Ca 1.051      
4 O -0.614      
5 O -0.614      


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 14.783 14.783
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.417 0.000 0.000
y 0.000 -45.212 0.000
z 0.000 0.000 -25.611
Traceless
 xyz
x 1.994 0.000 0.000
y 0.000 -15.698 0.000
z 0.000 0.000 13.704
Polar
3z2-r227.407
x2-y211.795
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.881 0.000 0.000
y 0.000 6.062 0.000
z 0.000 0.000 11.705


<r2> (average value of r2) Å2
<r2> 139.645
(<r2>)1/2 11.817