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

using model chemistry: CCSD=FULL/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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-1145.607887
Energy at 298.15K-1145.608503
HF Energy-1144.434338
Nuclear repulsion energy328.337891
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=FULL/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 1900 1789 0.00      
2 Ag 1144 1077 0.00      
3 Ag 645 607 0.00      
4 Ag 449 423 0.00      
5 Ag 299 281 0.00      
6 Au 411 387 19.21      
7 Au 39 36 0.57      
8 Bg 769 724 0.00      
9 Bu 1915 1803 358.75      
10 Bu 810 762 481.89      
11 Bu 513 483 7.32      
12 Bu 212 200 4.43      

Unscaled Zero Point Vibrational Energy (zpe) 4551.6 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 4285.8 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=FULL/6-31G(2df,p)
ABC
0.16655 0.05071 0.03887

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.169 0.752 0.000
C2 0.169 -0.752 0.000
O3 -1.266 1.184 0.000
O4 1.266 -1.184 0.000
Cl5 1.266 1.738 0.000
Cl6 -1.266 -1.738 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.54121.17952.40961.74062.7208
C21.54122.40961.17952.72081.7406
O31.17952.40963.46692.59192.9219
O42.40961.17953.46692.92192.5919
Cl51.74062.72082.59192.92194.3001
Cl62.72081.74062.92192.59194.3001

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 124.128 C1 C2 Cl6 111.863
C2 C1 O3 124.128 C2 C1 Cl5 111.863
O3 C1 Cl5 124.009 O4 C2 Cl6 124.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability