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: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-1033.668091
Energy at 298.15K-1033.668446
HF Energy-1033.668091
Nuclear repulsion energy187.360750
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 BLYP/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 1829 1814 299.00      
2 A1 523 519 18.00      
3 A1 287 285 0.05      
4 B1 551 546 6.00      
5 B2 762 756 499.24      
6 B2 406 402 8.14      

Unscaled Zero Point Vibrational Energy (zpe) 2178.3 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 2160.7 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 BLYP/6-31G*
ABC
0.25263 0.10962 0.07645

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.702
C2 0.000 0.000 0.510
Cl3 0.000 1.481 -0.490
Cl4 0.000 -1.481 -0.490

Atom - Atom Distances (Å)
  O1 C2 Cl3 Cl4
O11.19282.64592.6459
C21.19281.78671.7867
Cl32.64591.78672.9614
Cl42.64591.78672.9614

picture of Phosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 Cl3 124.032 O1 C2 Cl4 124.032
Cl3 C2 Cl4 111.936
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.250      
2 C 0.145      
3 Cl 0.052      
4 Cl 0.052      


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 -0.891 0.891
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.666 0.000 0.000
y 0.000 -34.554 0.000
z 0.000 0.000 -37.591
Traceless
 xyz
x 1.407 0.000 0.000
y 0.000 1.574 0.000
z 0.000 0.000 -2.981
Polar
3z2-r2-5.962
x2-y2-0.112
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.505 0.000 0.000
y 0.000 7.343 0.000
z 0.000 0.000 5.357


<r2> (average value of r2) Å2
<r2> 130.140
(<r2>)1/2 11.408