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/aug-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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-1033.834215
Energy at 298.15K-1033.834753
Nuclear repulsion energy 
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/aug-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 1897 1817 358.72      
2 A1 586 561 16.24      
3 A1 304 291 0.16      
4 B1 592 567 4.69      
5 B2 864 827 477.48      
6 B2 446 427 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 2343.8 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 2245.1 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/aug-cc-pVDZ
ABC
0.26376 0.11543 0.08029

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-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 0.496
Cl3 0.000 1.445 -0.481
Cl4 0.000 -1.445 -0.481

Atom - Atom Distances (Å)
  O1 C2 Cl3 Cl4
O11.17652.59402.5940
C21.17651.74471.7447
Cl32.59401.74472.8901
Cl42.59401.74472.8901

picture of Phosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 Cl3 124.080 O1 C2 Cl4 124.080
Cl3 C2 Cl4 111.839
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.233      
2 C -0.012      
3 Cl 0.122      
4 Cl 0.122      


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 -1.240 1.240
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.510 0.000 0.000
y 0.000 8.206 0.000
z 0.000 0.000 6.711


<r2> (average value of r2) Å2
<r2> 125.056
(<r2>)1/2 11.183