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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-1145.511381
Energy at 298.15K-1145.511897
HF Energy-1144.431528
Nuclear repulsion energy326.872582
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 MP2/6-31G(2df,p)
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 1810 1710 0.00      
2 Ag 1096 1035 0.00      
3 Ag 624 589 0.00      
4 Ag 434 410 0.00      
5 Ag 294 277 0.00      
6 Au 392 371 16.61      
7 Au 36 34 0.41      
8 Bg 739 698 0.00      
9 Bu 1834 1732 321.45      
10 Bu 780 737 528.89      
11 Bu 498 470 7.26      
12 Bu 208 197 4.68      

Unscaled Zero Point Vibrational Energy (zpe) 4372.4 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 4129.7 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 MP2/6-31G(2df,p)
ABC
0.16301 0.05069 0.03866

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.173 0.754 0.000
C2 0.173 -0.754 0.000
O3 -1.278 1.195 0.000
O4 1.278 -1.195 0.000
Cl5 1.278 1.731 0.000
Cl6 -1.278 -1.731 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.54671.19002.42971.74902.7192
C21.54672.42971.19002.71921.7490
O31.19002.42973.49952.61122.9260
O42.42971.19003.49952.92602.6112
Cl51.74902.71922.61122.92604.3028
Cl62.71921.74902.92602.61124.3028

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 124.691 C1 C2 Cl6 111.044
C2 C1 O3 124.691 C2 C1 Cl5 111.044
O3 C1 Cl5 124.265 O4 C2 Cl6 124.265
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability