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 CaCl2 (Calcium Chloride)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-1597.449459
Energy at 298.15K-1597.449360
HF Energy-1597.449459
Nuclear repulsion energy171.897235
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 PBEPBEultrafine/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 Σg 269 264 0.00      
2 Σu 435 428 120.39      
3 Πu 59 58 70.44      
3 Πu 59 58 70.44      

Unscaled Zero Point Vibrational Energy (zpe) 410.4 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 403.6 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 PBEPBEultrafine/6-31G*
B
0.03741

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 0.000
Cl2 0.000 0.000 2.538
Cl3 0.000 0.000 -2.538

Atom - Atom Distances (Å)
  Ca1 Cl2 Cl3
Ca12.53822.5382
Cl22.53825.0764
Cl32.53825.0764

picture of Calcium Chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 Ca1 Cl3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 1.124      
2 Cl -0.562      
3 Cl -0.562      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.969 0.000 0.000
y 0.000 -38.969 0.000
z 0.000 0.000 -75.247
Traceless
 xyz
x 18.139 0.000 0.000
y 0.000 18.139 0.000
z 0.000 0.000 -36.278
Polar
3z2-r2-72.556
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.788 0.000 0.000
y 0.000 4.788 0.000
z 0.000 0.000 9.473


<r2> (average value of r2) Å2
<r2> 250.933
(<r2>)1/2 15.841