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/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 BLYP/6-31G*
 hartrees
Energy at 0K-941.319268
Energy at 298.15K-941.320912
HF Energy-941.319268
Nuclear repulsion energy225.485514
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/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 A' 1532 1520 182.22      
2 A' 1025 1017 560.22      
3 A' 857 850 89.14      
4 A' 695 689 14.98      
5 A' 592 587 219.27      
6 A' 389 386 2.00      
7 A' 363 361 44.19      
8 A" 753 747 4.82      
9 A" 99 98 16.28      

Unscaled Zero Point Vibrational Energy (zpe) 3152.9 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 3127.3 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 BLYP/6-31G*
ABC
0.39417 0.08595 0.07056

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.079 0.000
O2 -0.097 2.319 0.000
Ca3 0.036 -1.530 0.000
O4 1.147 0.360 0.000
O5 -1.139 0.337 0.000

Atom - Atom Distances (Å)
  C1 O2 Ca3 O4 O5
C11.24302.60951.35431.3597
O21.24303.85082.32112.2390
Ca32.60953.85082.19202.2053
O41.35432.32112.19202.2861
O51.35972.23902.20532.2861

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 176.287 O2 C1 O4 126.611
O2 C1 O5 118.617 Ca3 C1 O4 57.102
Ca3 C1 O5 57.670 O4 C1 O5 114.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.699      
2 O -0.467      
3 Ca 1.002      
4 O -0.639      
5 O -0.595      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.679 -12.096 0.000 12.115
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.439 -0.756 0.000
y -0.756 -31.378 0.000
z 0.000 0.000 -33.502
Traceless
 xyz
x -10.999 -0.756 0.000
y -0.756 7.093 0.000
z 0.000 0.000 3.906
Polar
3z2-r27.812
x2-y2-12.061
xy-0.756
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.016 -1.062 0.000
y -1.062 27.369 -0.001
z 0.000 -0.001 6.007


<r2> (average value of r2) Å2
<r2> 142.068
(<r2>)1/2 11.919