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All results from a given calculation for ClCOClCO (Oxalyl chloride)

using model chemistry: CCD/3-21G*

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/3-21G*
 hartrees
Energy at 0K-1139.675773
Energy at 298.15K-1139.676340
HF Energy-1138.954742
Nuclear repulsion energy323.056583
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/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 Ag 1746 1670 0.00      
2 Ag 1022 978 0.00      
3 Ag 613 586 0.00      
4 Ag 424 406 0.00      
5 Ag 297 284 0.00      
6 Au 422 404 17.41      
7 Au 67 64 0.10      
8 Bg 754 721 0.00      
9 Bu 1772 1695 211.10      
10 Bu 753 720 434.12      
11 Bu 486 465 9.36      
12 Bu 215 206 6.79      

Unscaled Zero Point Vibrational Energy (zpe) 4285.8 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 4099.4 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/3-21G*
ABC
0.15923 0.04963 0.03784

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.172 0.754 0.000
C2 0.172 -0.754 0.000
O3 -1.298 1.202 0.000
O4 1.298 -1.202 0.000
Cl5 1.298 1.746 0.000
Cl6 -1.298 -1.746 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.54671.21182.44691.77322.7421
C21.54672.44691.21182.74211.7732
O31.21182.44693.53822.65172.9488
O42.44691.21183.53822.94882.6517
Cl51.77322.74212.65172.94884.3515
Cl62.74211.77322.94882.65174.3515

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 124.561 C1 C2 Cl6 111.190
C2 C1 O3 124.561 C2 C1 Cl5 111.190
O3 C1 Cl5 124.249 O4 C2 Cl6 124.249
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability