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All results from a given calculation for CCl2O (Phosgene)

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-142.054960
Energy at 298.15K-142.055477
Nuclear repulsion energy77.528043
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/LANL2DZ
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 1943 1749 522.11      
2 A1 551 496 20.43      
3 A1 306 275 0.55      
4 B1 596 536 23.54      
5 B2 862 776 484.27      
6 B2 466 420 0.98      

Unscaled Zero Point Vibrational Energy (zpe) 2361.9 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 2125.5 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/LANL2DZ
ABC
0.25882 0.10848 0.07644

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.340
C2 0.000 0.000 0.159
Cl3 0.000 1.491 -0.834
Cl4 0.000 -1.491 -0.834

Atom - Atom Distances (Å)
  O1 C2 Cl3 Cl4
O11.18012.63542.6354
C21.18011.79121.7912
Cl32.63541.79122.9812
Cl42.63541.79122.9812

picture of Phosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 Cl3 123.676 O1 C2 Cl4 123.676
Cl3 C2 Cl4 112.648
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.180      
2 C 0.145      
3 Cl 0.018      
4 Cl 0.018      


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 -1.058 1.058
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.814 0.000 0.000
y 0.000 -35.975 0.000
z 0.000 0.000 -38.533
Traceless
 xyz
x 3.440 0.000 0.000
y 0.000 0.198 0.000
z 0.000 0.000 -3.638
Polar
3z2-r2-7.276
x2-y22.161
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.218 0.000 0.000
y 0.000 5.984 0.000
z 0.000 0.000 4.222


<r2> (average value of r2) Å2
<r2> 77.898
(<r2>)1/2 8.826