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 CCl (carbon monochloride)

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 C*V 2Π
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-498.074286
Energy at 298.15K-498.072771
HF Energy-498.074286
Nuclear repulsion energy29.578505
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 Σ 689 684 114.28      

Unscaled Zero Point Vibrational Energy (zpe) 344.4 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 341.8 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
B
0.56662

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.349
Cl2 0.000 0.000 0.476

Atom - Atom Distances (Å)
  C1 Cl2
C11.8248
Cl21.8248

picture of carbon monochloride state 1 conformation 1
More geometry information
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 -0.071      
2 Cl 0.071      


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 0.367 0.367
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.994 0.000 0.000
y 0.000 -17.240 0.000
z 0.000 0.000 -19.790
Traceless
 xyz
x -0.479 0.000 0.000
y 0.000 2.152 0.000
z 0.000 0.000 -1.673
Polar
3z2-r2-3.345
x2-y2-1.754
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.322 0.000 0.000
y 0.000 1.445 0.000
z 0.000 0.000 4.943


<r2> (average value of r2) Å2
<r2> 26.432
(<r2>)1/2 5.141