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

using model chemistry: CCSD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-1145.539171
Energy at 298.15K-1145.539736
HF Energy-1144.433714
Nuclear repulsion energy327.024872
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/6-31G(2df,p)
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 1894 1791 0.00      
2 Ag 1134 1072 0.00      
3 Ag 638 603 0.00      
4 Ag 444 420 0.00      
5 Ag 295 279 0.00      
6 Au 401 379 19.19      
7 Au 35 33 0.54      
8 Bg 749 709 0.00      
9 Bu 1910 1806 356.78      
10 Bu 800 757 485.87      
11 Bu 507 479 7.07      
12 Bu 209 198 4.20      

Unscaled Zero Point Vibrational Energy (zpe) 4507.1 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 4261.5 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/6-31G(2df,p)
ABC
0.16562 0.05022 0.03853

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.170 0.755 0.000
C2 0.170 -0.755 0.000
O3 -1.270 1.187 0.000
O4 1.270 -1.187 0.000
Cl5 1.270 1.748 0.000
Cl6 -1.270 -1.748 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.54771.18182.41761.74922.7337
C21.54772.41761.18182.73371.7492
O31.18182.41763.47672.60152.9345
O42.41761.18183.47672.93452.6015
Cl51.74922.73372.60152.93454.3209
Cl62.73371.74922.93452.60154.3209

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 124.133 C1 C2 Cl6 111.880
C2 C1 O3 124.133 C2 C1 Cl5 111.880
O3 C1 Cl5 123.987 O4 C2 Cl6 123.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability