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

using model chemistry: MP4=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP4=FULL/6-31G*
 hartrees
Energy at 0K-1145.373902
Energy at 298.15K-1145.374345
HF Energy-1144.395569
Nuclear repulsion energy324.205850
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 MP4=FULL/6-31G*
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 1778 1710        
2 Ag 1096 1054        
3 Ag 609 585        
4 Ag 427 411        
5 Ag 291 280        
6 Au 386 371        
7 Au 32 31        
8 Bg 710 683        
9 Bu 1788 1719        
10 Bu 775 745        
11 Bu 492 473        
12 Bu 209 201        

Unscaled Zero Point Vibrational Energy (zpe) 4296.9 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 4131.9 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 MP4=FULL/6-31G*
ABC
0.16118 0.04972 0.03800

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.166 0.760 0.000
C2 0.166 -0.760 0.000
O3 -1.286 1.205 0.000
O4 1.286 -1.205 0.000
Cl5 1.286 1.750 0.000
Cl6 -1.286 -1.750 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55511.20522.44321.75732.7479
C21.55512.44321.20522.74791.7573
O31.20522.44323.52502.62852.9553
O42.44321.20523.52502.95532.6285
Cl51.75732.74792.62852.95534.3427
Cl62.74791.75732.95532.62854.3427

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 124.045 C1 C2 Cl6 111.963
C2 C1 O3 124.045 C2 C1 Cl5 111.963
O3 C1 Cl5 123.992 O4 C2 Cl6 123.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability