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

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-1139.698817
Energy at 298.15K-1139.699305
HF Energy-1138.951105
Nuclear repulsion energy321.773387
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=FULL/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 1649 1563 0.00      
2 Ag 970 919 0.00      
3 Ag 588 557 0.00      
4 Ag 408 386 0.00      
5 Ag 294 279 0.00      
6 Au 421 399 16.10      
7 Au 66 63 0.02      
8 Bg 753 714 0.00      
9 Bu 1678 1591 232.36      
10 Bu 719 682 513.27      
11 Bu 470 445 26.69      
12 Bu 214 203 9.31      

Unscaled Zero Point Vibrational Energy (zpe) 4114.1 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 3900.1 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=FULL/3-21G*
ABC
0.15558 0.04975 0.03770

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.179 0.755 0.000
C2 0.179 -0.755 0.000
O3 -1.311 1.213 0.000
O4 1.311 -1.213 0.000
Cl5 1.311 1.735 0.000
Cl6 -1.311 -1.735 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55211.22102.46871.78342.7350
C21.55212.46871.22102.73501.7834
O31.22102.46873.57232.67352.9478
O42.46871.22103.57232.94782.6735
Cl51.78342.73502.67352.94784.3489
Cl62.73501.78342.94782.67354.3489

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 125.382 C1 C2 Cl6 109.972
C2 C1 O3 125.382 C2 C1 Cl5 109.972
O3 C1 Cl5 124.646 O4 C2 Cl6 124.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability