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

using model chemistry: QCISD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-1145.461885
Energy at 298.15K-1145.462425
HF Energy-1144.504315
Nuclear repulsion energy325.688048
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/6-311G**
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 1866 1781 0.00      
2 Ag 1118 1066 0.00      
3 Ag 630 601 0.00      
4 Ag 442 421 0.00      
5 Ag 294 280 0.00      
6 Au 396 378 19.20      
7 Au 28 27 0.67      
8 Bg 733 700 0.00      
9 Bu 1879 1793 386.89      
10 Bu 790 754 509.39      
11 Bu 509 485 6.52      
12 Bu 210 201 4.13      

Unscaled Zero Point Vibrational Energy (zpe) 4447.1 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 4243.0 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 QCISD/6-311G**
ABC
0.16471 0.04967 0.03816

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.169 0.761 0.000
C2 0.169 -0.761 0.000
O3 -1.271 1.196 0.000
O4 1.271 -1.196 0.000
Cl5 1.271 1.760 0.000
Cl6 -1.271 -1.760 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55871.18512.43001.75302.7513
C21.55872.43001.18512.75131.7530
O31.18512.43003.49142.60412.9565
O42.43001.18513.49142.95652.6041
Cl51.75302.75132.60412.95654.3423
Cl62.75131.75302.95652.60414.3423

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 124.094 C1 C2 Cl6 112.227
C2 C1 O3 124.094 C2 C1 Cl5 112.227
O3 C1 Cl5 123.679 O4 C2 Cl6 123.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability