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All results from a given calculation for CCl2O (Phosgene)

using model chemistry: QCISD/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-1032.605604
Energy at 298.15K-1032.606154
HF Energy-1031.802749
Nuclear repulsion energy191.704398
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 QCISD/aug-cc-pVTZ
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 1870 1800 318.19      
2 A1 583 562 16.14      
3 A1 306 294 0.15      
4 B1 594 572 5.58      
5 B2 880 846 441.79      
6 B2 453 436 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2342.8 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 2254.7 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 QCISD/aug-cc-pVTZ
ABC
0.26411 0.11501 0.08012

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.675
C2 0.000 0.000 0.499
Cl3 0.000 1.448 -0.482
Cl4 0.000 -1.448 -0.482

Atom - Atom Distances (Å)
  O1 C2 Cl3 Cl4
O11.17652.59832.5983
C21.17651.74901.7490
Cl32.59831.74902.8958
Cl42.59831.74902.8958

picture of Phosgene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 Cl3 124.121 O1 C2 Cl4 124.121
Cl3 C2 Cl4 111.757
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability