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 CCl2O (Phosgene)

using model chemistry: B3LYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-1033.803025
Energy at 298.15K-1033.803490
Nuclear repulsion energy189.896526
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 B3LYP/6-311G*
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 1899 1835 381.25      
2 A1 550 531 20.13      
3 A1 301 291 0.17      
4 B1 582 562 6.80      
5 B2 803 776 559.03      
6 B2 436 421 5.95      

Unscaled Zero Point Vibrational Energy (zpe) 2285.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 2208.0 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 B3LYP/6-311G*
ABC
0.26178 0.11192 0.07840

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.677
C2 0.000 0.000 0.505
Cl3 0.000 1.468 -0.484
Cl4 0.000 -1.468 -0.484

Atom - Atom Distances (Å)
  O1 C2 Cl3 Cl4
O11.17162.61192.6119
C21.17161.76971.7697
Cl32.61191.76972.9350
Cl42.61191.76972.9350

picture of Phosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 Cl3 123.978 O1 C2 Cl4 123.978
Cl3 C2 Cl4 112.044
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.186     -0.269
2 C 0.150     0.394
3 Cl 0.018     -0.062
4 Cl 0.018     -0.062


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 -1.018 1.018
CHELPG        
AIM        
ESP 0.000 0.000 -0.925 0.925


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.410 0.000 0.000
y 0.000 -35.427 0.000
z 0.000 0.000 -38.509
Traceless
 xyz
x 1.558 0.000 0.000
y 0.000 1.533 0.000
z 0.000 0.000 -3.090
Polar
3z2-r2-6.181
x2-y20.017
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.319 0.000 0.000
y 0.000 7.245 0.000
z 0.000 0.000 5.230


<r2> (average value of r2) Å2
<r2> 127.970
(<r2>)1/2 11.312