return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-936.506787
Energy at 298.15K-936.508341
Nuclear repulsion energy221.044537
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 BLYP/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 1583 1574 194.01      
2 A1 804 800 31.07      
3 A1 637 633 1.38      
4 A1 369 367 18.10      
5 B1 686 682 12.22      
6 B1 67 66 5.78      
7 B2 1257 1250 383.26      
8 B2 612 608 29.02      
9 B2 366 364 27.64      

Unscaled Zero Point Vibrational Energy (zpe) 3190.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 3172.7 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 BLYP/3-21G
ABC
0.37527 0.08294 0.06793

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.113
O2 0.000 0.000 -2.359
Ca3 0.000 0.000 1.548
O4 0.000 1.185 -0.338
O5 0.000 -1.185 -0.338

Atom - Atom Distances (Å)
  C1 O2 Ca3 O4 O5
C11.24602.66051.41551.4155
O21.24603.90652.34212.3421
Ca32.66053.90652.22762.2276
O41.41552.34212.22762.3700
O51.41552.34212.22762.3700

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 123.158
O2 C1 O5 123.158 Ca3 C1 O4 56.842
Ca3 C1 O5 56.842 O4 C1 O5 113.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.618      
2 O -0.462      
3 Ca 1.000      
4 O -0.578      
5 O -0.578      


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 12.243 12.243
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.340 0.000 0.000
y 0.000 -45.709 0.000
z 0.000 0.000 -30.999
Traceless
 xyz
x 3.014 0.000 0.000
y 0.000 -12.540 0.000
z 0.000 0.000 9.526
Polar
3z2-r219.052
x2-y210.370
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.158 0.000 0.000
y 0.000 5.381 0.000
z 0.000 0.000 19.163


<r2> (average value of r2) Å2
<r2> 147.477
(<r2>)1/2 12.144