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

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G**
 hartrees
Energy at 0K-1145.329573
Energy at 298.15K-1145.330071
HF Energy-1144.397651
Nuclear repulsion energy324.874140
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 CCSD(T)/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 1826 1732        
2 Ag 1126 1068        
3 Ag 628 595        
4 Ag 437 414        
5 Ag 293 278        
6 Au 388 368        
7 Au 31 29        
8 Bg 709 672        
9 Bu 1843 1748        
10 Bu 794 753        
11 Bu 502 476        
12 Bu 210 199        

Unscaled Zero Point Vibrational Energy (zpe) 4392.5 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 4166.3 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 CCSD(T)/6-31G**
ABC
0.16333 0.04964 0.03807

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.163 0.758 0.000
C2 0.163 -0.758 0.000
O3 -1.279 1.198 0.000
O4 1.279 -1.198 0.000
Cl5 1.279 1.756 0.000
Cl6 -1.279 -1.756 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55091.19992.42991.75352.7511
C21.55092.42991.19992.75111.7535
O31.19992.42993.50482.61872.9538
O42.42991.19993.50482.95382.6187
Cl51.75352.75112.61872.95384.3453
Cl62.75111.75352.95382.61874.3453

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 123.593 C1 C2 Cl6 112.580
C2 C1 O3 123.593 C2 C1 Cl5 112.580
O3 C1 Cl5 123.827 O4 C2 Cl6 123.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability