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

using model chemistry: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-1145.381945
Energy at 298.15K-1145.382473
HF Energy-1144.462844
Nuclear repulsion energy324.305047
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 QCISD/cc-pVDZ
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 1868 1793 0.00      
2 Ag 1119 1073 0.00      
3 Ag 624 599 0.00      
4 Ag 435 417 0.00      
5 Ag 293 281 0.00      
6 Au 396 380 18.69      
7 Au 34 32 0.49      
8 Bg 735 705 0.00      
9 Bu 1879 1802 374.75      
10 Bu 784 752 482.06      
11 Bu 499 478 6.78      
12 Bu 209 201 3.91      

Unscaled Zero Point Vibrational Energy (zpe) 4436.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4256.6 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 QCISD/cc-pVDZ
ABC
0.16274 0.04940 0.03790

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.173 0.761 0.000
C2 0.173 -0.761 0.000
O3 -1.281 1.198 0.000
O4 1.281 -1.198 0.000
Cl5 1.281 1.762 0.000
Cl6 -1.281 -1.762 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.56001.19112.43911.76502.7551
C21.56002.43911.19112.75511.7650
O31.19112.43913.50742.62272.9599
O42.43911.19113.50742.95992.6227
Cl51.76502.75512.62272.95994.3564
Cl62.75511.76502.95992.62274.3564

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 124.348 C1 C2 Cl6 111.759
C2 C1 O3 124.348 C2 C1 Cl5 111.759
O3 C1 Cl5 123.892 O4 C2 Cl6 123.892
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability