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: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-1033.678939
Energy at 298.15K-1033.679338
Nuclear repulsion energy186.135601
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 B1B95/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1834 1749 334.76      
2 A1 526 502 19.42      
3 A1 287 274 0.11      
4 B1 558 532 8.69      
5 B2 787 751 505.73      
6 B2 426 406 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 2208.8 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 2106.5 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 B1B95/6-31G
ABC
0.24995 0.10795 0.07539

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.715
C2 0.000 0.000 0.521
Cl3 0.000 1.494 -0.495
Cl4 0.000 -1.494 -0.495

Atom - Atom Distances (Å)
  O1 C2 Cl3 Cl4
O11.19372.66792.6679
C21.19371.80721.8072
Cl32.66791.80722.9886
Cl42.66791.80722.9886

picture of Phosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 Cl3 124.223 O1 C2 Cl4 124.223
Cl3 C2 Cl4 111.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.239      
2 C -0.076      
3 Cl 0.158      
4 Cl 0.158      


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 -0.920 0.920
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.917 0.000 0.000
y 0.000 -35.812 0.000
z 0.000 0.000 -38.769
Traceless
 xyz
x 2.374 0.000 0.000
y 0.000 1.031 0.000
z 0.000 0.000 -3.405
Polar
3z2-r2-6.810
x2-y20.895
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.799 0.000 0.000
y 0.000 6.992 0.000
z 0.000 0.000 5.040


<r2> (average value of r2) Å2
<r2> 132.212
(<r2>)1/2 11.498