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: HSEh1PBE/6-31+G**

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 HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-1597.641062
Energy at 298.15K 
HF Energy-1597.641062
Nuclear repulsion energy172.238308
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 HSEh1PBE/6-31+G**
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/6-31+G**
B
0.03756

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

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 2.533
Cl3 0.000 0.000 -2.533

Atom - Atom Distances (Å)
  Ca1 Cl2 Cl3
Ca12.53322.5332
Cl22.53325.0663
Cl32.53325.0663

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 HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 1.140      
2 Cl -0.570      
3 Cl -0.570      


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 -39.180 0.000 0.000
y 0.000 -39.180 0.000
z 0.000 0.000 -77.924
Traceless
 xyz
x 19.372 0.000 0.000
y 0.000 19.372 0.000
z 0.000 0.000 -38.745
Polar
3z2-r2-77.490
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 4.782 0.000 0.000
y 0.000 4.782 0.000
z 0.000 0.000 8.946


<r2> (average value of r2) Å2
<r2> 250.711
(<r2>)1/2 15.834