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 CaCl (calcium monochloride)

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-1126.025267
Energy at 298.15K-1126.025484
HF Energy-1126.025267
Nuclear repulsion energy69.764316
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/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 376 330 21.47      

Unscaled Zero Point Vibrational Energy (zpe) 187.9 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 165.1 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/STO-3G
B
0.13590

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ca1 0.000 0.000 1.185
Cl2 0.000 0.000 -1.394

Atom - Atom Distances (Å)
  Ca1 Cl2
Ca12.5790
Cl22.5790

picture of calcium monochloride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ca 0.467      
2 Cl -0.467      


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 4.771 4.771
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.283 0.000 0.000
y 0.000 -27.283 0.000
z 0.000 0.000 -33.457
Traceless
 xyz
x 3.087 0.000 0.000
y 0.000 3.087 0.000
z 0.000 0.000 -6.173
Polar
3z2-r2-12.347
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 6.197 0.000 0.000
y 0.000 6.197 0.000
z 0.000 0.000 6.581


<r2> (average value of r2) Å2
<r2> 79.444
(<r2>)1/2 8.913