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

using model chemistry: CCSD/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 CCSD/cc-pVTZ
 hartrees
Energy at 0K-1145.720795
Energy at 298.15K-1145.721337
HF Energy-1144.561714
Nuclear repulsion energy326.984117
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 CCSD/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 1875 1765 0.00      
2 Ag 1130 1063 0.00      
3 Ag 633 596 0.00      
4 Ag 444 418 0.00      
5 Ag 292 275 0.00      
6 Au 398 375 18.24      
7 Au 23 21 0.81      
8 Bg 742 698 0.00      
9 Bu 1893 1781 377.62      
10 Bu 798 751 485.19      
11 Bu 508 478 6.58      
12 Bu 208 196 3.80      

Unscaled Zero Point Vibrational Energy (zpe) 4471.1 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 4208.2 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 CCSD/cc-pVTZ
ABC
0.16599 0.05011 0.03849

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 -1.268 1.188 0.000
O4 1.268 -1.188 0.000
Cl5 1.268 1.751 0.000
Cl6 -1.268 -1.751 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.54921.18192.41711.74732.7381
C21.54922.41711.18192.73811.7473
O31.18192.41713.47542.59822.9392
O42.41711.18193.47542.93922.5982
Cl51.74732.73812.59822.93924.3244
Cl62.73811.74732.93922.59824.3244

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 123.962 C1 C2 Cl6 112.182
C2 C1 O3 123.962 C2 C1 Cl5 112.182
O3 C1 Cl5 123.856 O4 C2 Cl6 123.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability