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All results from a given calculation for CCl2O (Phosgene)

using model chemistry: HF/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-1026.648013
Energy at 298.15K-1026.648425
Nuclear repulsion energy185.587785
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 HF/3-21G
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 2023 1832 364.56      
2 A1 505 458 18.67      
3 A1 285 259 0.99      
4 B1 586 531 20.14      
5 B2 789 715 574.00      
6 B2 431 391 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2310.0 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 2092.0 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 HF/3-21G
ABC
0.24812 0.10699 0.07476

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.712
C2 0.000 0.000 0.548
Cl3 0.000 1.501 -0.500
Cl4 0.000 -1.501 -0.500

Atom - Atom Distances (Å)
  O1 C2 Cl3 Cl4
O11.16452.67302.6730
C21.16451.83021.8302
Cl32.67301.83023.0019
Cl42.67301.83023.0019

picture of Phosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 Cl3 124.908 O1 C2 Cl4 124.908
Cl3 C2 Cl4 110.184
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.408 -0.377   -0.345
2 C 0.179 0.697   0.623
3 Cl 0.115 -0.160   -0.139
4 Cl 0.115 -0.160   -0.139


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 -0.657 0.657
CHELPG 0.000 0.000 -0.495 0.495
AIM        
ESP 0.000 0.000 -0.534 0.534


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.845 0.000 0.000
y 0.000 -37.740 0.000
z 0.000 0.000 -39.864
Traceless
 xyz
x 2.957 0.000 0.000
y 0.000 0.115 0.000
z 0.000 0.000 -3.072
Polar
3z2-r2-6.143
x2-y21.895
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.457 0.000 0.000
y 0.000 6.841 0.000
z 0.000 0.000 4.368


<r2> (average value of r2) Å2
<r2> 133.956
(<r2>)1/2 11.574