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

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-1145.902009
Energy at 298.15K-1145.902517
HF Energy-1144.560726
Nuclear repulsion energy326.899755
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(T)=FULL/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 1828 1750        
2 Ag 1105 1057        
3 Ag 623 596        
4 Ag 435 416        
5 Ag 290 278        
6 Au 396 379        
7 Au 25 24        
8 Bg 739 707        
9 Bu 1847 1767        
10 Bu 784 750        
11 Bu 499 477        
12 Bu 206 198        

Unscaled Zero Point Vibrational Energy (zpe) 4387.8 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 4198.7 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(T)=FULL/cc-pVTZ
ABC
0.16513 0.05028 0.03855

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.169 0.753 0.000
C2 0.169 -0.753 0.000
O3 -1.272 1.188 0.000
O4 1.272 -1.188 0.000
Cl5 1.272 1.745 0.000
Cl6 -1.272 -1.745 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.54321.18602.41761.74962.7305
C21.54322.41761.18602.73051.7496
O31.18602.41763.48162.60452.9331
O42.41761.18603.48162.93312.6045
Cl51.74962.73052.60452.93314.3188
Cl62.73051.74962.93312.60454.3188

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 124.190 C1 C2 Cl6 111.887
C2 C1 O3 124.190 C2 C1 Cl5 111.887
O3 C1 Cl5 123.923 O4 C2 Cl6 123.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability