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: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-1033.649252
Energy at 298.15K-1033.649812
HF Energy-1033.649252
Nuclear repulsion energy191.288150
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 wB97X-D/cc-pVDZ
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 1920 1829 408.99      
2 A1 587 559 20.09      
3 A1 314 299 0.08      
4 B1 598 570 7.05      
5 B2 882 840 526.75      
6 B2 454 432 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 2376.7 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 2264.0 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 wB97X-D/cc-pVDZ
ABC
0.26492 0.11396 0.07968

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.673
C2 0.000 0.000 0.495
Cl3 0.000 1.454 -0.481
Cl4 0.000 -1.454 -0.481

Atom - Atom Distances (Å)
  O1 C2 Cl3 Cl4
O11.17782.59942.5994
C21.17781.75181.7518
Cl32.59941.75182.9087
Cl42.59941.75182.9087

picture of Phosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 Cl3 123.883 O1 C2 Cl4 123.883
Cl3 C2 Cl4 112.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.193      
2 C -0.011      
3 Cl 0.102      
4 Cl 0.102      


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 -1.298 1.298
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.890 0.000 0.000
y 0.000 -34.486 0.000
z 0.000 0.000 -38.760
Traceless
 xyz
x 1.733 0.000 0.000
y 0.000 2.339 0.000
z 0.000 0.000 -4.072
Polar
3z2-r2-8.145
x2-y2-0.404
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.405 0.000 0.000
y 0.000 7.332 0.000
z 0.000 0.000 5.963


<r2> (average value of r2) Å2
<r2> 126.031
(<r2>)1/2 11.226