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 ClCOClCO (Oxalyl chloride)

using model chemistry: CCD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at CCD/cc-pVTZ
 hartrees
Energy at 0K-1145.710693
Energy at 298.15K-1145.711258
HF Energy-1144.562212
Nuclear repulsion energy327.344959
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 CCD/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 Ag 1890 1765 0.00      
2 Ag 1137 1061 0.00      
3 Ag 636 594 0.00      
4 Ag 448 418 0.00      
5 Ag 293 274 0.00      
6 Au 401 374 18.59      
7 Au 25 24 0.81      
8 Bg 747 698 0.00      
9 Bu 1912 1785 374.39      
10 Bu 803 750 487.88      
11 Bu 512 478 6.68      
12 Bu 209 195 3.82      

Unscaled Zero Point Vibrational Energy (zpe) 4506.2 cm-1
Scaled (by 0.9337) Zero Point Vibrational Energy (zpe) 4207.4 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 CCD/cc-pVTZ
ABC
0.16652 0.05018 0.03856

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.168 0.756 0.000
C2 0.168 -0.756 0.000
O3 -1.266 1.187 0.000
O4 1.266 -1.187 0.000
Cl5 1.266 1.751 0.000
Cl6 -1.266 -1.751 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.54881.17962.41471.74512.7368
C21.54882.41471.17962.73681.7451
O31.17962.41473.47072.59382.9379
O42.41471.17963.47072.93792.5938
Cl51.74512.73682.59382.93794.3212
Cl62.73681.74512.93792.59384.3212

picture of Oxalyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 123.948 C1 C2 Cl6 112.241
C2 C1 O3 123.948 C2 C1 Cl5 112.241
O3 C1 Cl5 123.811 O4 C2 Cl6 123.811
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability