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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-1145.273200
Energy at 298.15K-1145.273722
HF Energy-1144.397088
Nuclear repulsion energy325.660031
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**
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 1793 1679 0.00      
2 Ag 1122 1051 0.00      
3 Ag 628 588 0.00      
4 Ag 439 411 0.00      
5 Ag 297 279 0.00      
6 Au 391 367 19.28      
7 Au 32 30 0.68      
8 Bg 720 674 0.00      
9 Bu 1816 1700 308.59      
10 Bu 795 745 513.56      
11 Bu 506 474 7.82      
12 Bu 213 200 4.66      

Unscaled Zero Point Vibrational Energy (zpe) 4375.9 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 4098.0 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**
ABC
0.16247 0.05020 0.03835

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.163 0.757 0.000
C2 0.163 -0.757 0.000
O3 -1.280 1.203 0.000
O4 1.280 -1.203 0.000
Cl5 1.280 1.741 0.000
Cl6 -1.280 -1.741 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.54821.20262.43351.74642.7359
C21.54822.43351.20262.73591.7464
O31.20262.43353.51272.61532.9439
O42.43351.20263.51272.94392.6153
Cl51.74642.73592.61532.94394.3212
Cl62.73591.74642.94392.61534.3212

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 123.940 C1 C2 Cl6 112.145
C2 C1 O3 123.940 C2 C1 Cl5 112.145
O3 C1 Cl5 123.915 O4 C2 Cl6 123.915
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability