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All results from a given calculation for CCl2O (Phosgene)

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-50.427719
Energy at 298.15K-50.428269
Nuclear repulsion energy52.593644
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 HF/CEP-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 A1 1901 1714 489.15      
2 A1 574 517 16.94      
3 A1 306 276 0.46      
4 B1 591 533 20.88      
5 B2 913 823 510.93      
6 B2 472 425 4.07      

Unscaled Zero Point Vibrational Energy (zpe) 2378.5 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 2144.0 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 HF/CEP-31G
ABC
0.25787 0.10698 0.07561

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.469
C2 0.000 0.000 0.279
Cl3 0.000 1.501 -0.709
Cl4 0.000 -1.501 -0.709

Atom - Atom Distances (Å)
  O1 C2 Cl3 Cl4
O11.19082.64582.6458
C21.19081.79701.7970
Cl32.64581.79703.0021
Cl42.64581.79703.0021

picture of Phosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 Cl3 123.355 O1 C2 Cl4 123.355
Cl3 C2 Cl4 113.290
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.052      
2 C -0.094      
3 Cl 0.073      
4 Cl 0.073      


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 -1.341 1.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.105 0.000 0.000
y 0.000 -35.851 0.000
z 0.000 0.000 -39.113
Traceless
 xyz
x 3.378 0.000 0.000
y 0.000 0.758 0.000
z 0.000 0.000 -4.136
Polar
3z2-r2-8.271
x2-y21.746
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.306 0.000 0.000
y 0.000 6.554 0.000
z 0.000 0.000 4.533


<r2> (average value of r2) Å2
<r2> 74.562
(<r2>)1/2 8.635