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

using model chemistry: CCSD(T)=FULL/TZVP

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)=FULL/TZVP
 hartrees
Energy at 0K-1145.644164
Energy at 298.15K 
HF Energy-1144.522540
Nuclear repulsion energy324.400776
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)=FULL/TZVP
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 1813 1734        
2 Ag 1085 1037        
3 Ag 618 591        
4 Ag 430 411        
5 Ag 286 274        
6 Au 375 359        
7 Au 23i 22i        
8 Bg 696 665        
9 Bu 1836 1755        
10 Bu 771 737        
11 Bu 497 475        
12 Bu 205 196        

Unscaled Zero Point Vibrational Energy (zpe) 4294.7 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 4105.7 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)=FULL/TZVP
ABC
0.16430 0.04918 0.03785

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.170 0.758 0.000
C2 0.170 -0.758 0.000
O3 -1.277 1.191 0.000
O4 1.277 -1.191 0.000
Cl5 1.277 1.771 0.000
Cl6 -1.277 -1.771 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55361.18882.42791.76662.7602
C21.55362.42791.18882.76021.7666
O31.18882.42793.49322.61932.9619
O42.42791.18883.49322.96192.6193
Cl51.76662.76022.61932.96194.3664
Cl62.76021.76662.96192.61934.3664

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 124.045 C1 C2 Cl6 112.314
C2 C1 O3 124.045 C2 C1 Cl5 112.314
O3 C1 Cl5 123.640 O4 C2 Cl6 123.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability