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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-1145.130758
Energy at 298.15K-1145.131431
HF Energy-1144.402260
Nuclear repulsion energy328.319061
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 CISD/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 1979 1832 0.00      
2 Ag 1204 1115 0.00      
3 Ag 666 617 0.00      
4 Ag 468 433 0.00      
5 Ag 308 285 0.00      
6 Au 418 387 27.75      
7 Au 33 30 1.09      
8 Bg 772 714 0.00      
9 Bu 1993 1845 431.79      
10 Bu 848 786 504.97      
11 Bu 535 496 8.88      
12 Bu 220 203 4.67      

Unscaled Zero Point Vibrational Energy (zpe) 4721.8 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 4371.5 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 CISD/6-31G*
ABC
0.16821 0.05036 0.03876

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.160 0.755 0.000
C2 0.160 -0.755 0.000
O3 -1.260 1.183 0.000
O4 1.260 -1.183 0.000
Cl5 1.260 1.749 0.000
Cl6 -1.260 -1.749 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.54311.18042.40291.73412.7348
C21.54312.40291.18042.73481.7341
O31.18042.40293.45732.58322.9325
O42.40291.18043.45732.93252.5832
Cl51.73412.73482.58322.93254.3118
Cl62.73481.73412.93252.58324.3118

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 123.290 C1 C2 Cl6 112.997
C2 C1 O3 123.290 C2 C1 Cl5 112.997
O3 C1 Cl5 123.713 O4 C2 Cl6 123.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability