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

using model chemistry: QCISD(T)=FULL/6-31+G**

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(T)=FULL/6-31+G**
 hartrees
Energy at 0K-1145.386581
Energy at 298.15K 
HF Energy-1144.403822
Nuclear repulsion energy324.874772
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(T)=FULL/6-31+G**
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 1803 1803        
2 Ag 1115 1115        
3 Ag 625 625        
4 Ag 435 435        
5 Ag 291 291        
6 Au 384 384        
7 Au 17i 17i        
8 Bg 699 699        
9 Bu 1821 1821        
10 Bu 790 790        
11 Bu 501 501        
12 Bu 208 208        

Unscaled Zero Point Vibrational Energy (zpe) 4327.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4327.3 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(T)=FULL/6-31+G**
ABC
0.16370 0.04956 0.03804

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.159 0.760 0.000
C2 0.159 -0.760 0.000
O3 -1.277 1.200 0.000
O4 1.277 -1.200 0.000
Cl5 1.277 1.759 0.000
Cl6 -1.277 -1.759 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55191.20192.42901.74942.7557
C21.55192.42901.20192.75571.7494
O31.20192.42903.50442.61472.9587
O42.42901.20193.50442.95872.6147
Cl51.74942.75572.61472.95874.3474
Cl62.75571.74942.95872.61474.3474

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 123.284 C1 C2 Cl6 113.039
C2 C1 O3 123.284 C2 C1 Cl5 113.039
O3 C1 Cl5 123.677 O4 C2 Cl6 123.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability