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

using model chemistry: MP2=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP2=FULL/3-21G
 hartrees
Energy at 0K-1139.299842
Energy at 298.15K-1139.300108
HF Energy-1138.729143
Nuclear repulsion energy312.826516
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 MP2=FULL/3-21G
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 1711 1633 0.00      
2 Ag 929 887 0.00      
3 Ag 564 538 0.00      
4 Ag 370 354 0.00      
5 Ag 266 254 0.00      
6 Au 403 385 19.03      
7 Au 57 54 0.43      
8 Bg 718 685 0.00      
9 Bu 1738 1659 298.80      
10 Bu 653 623 501.27      
11 Bu 423 403 40.56      
12 Bu 201 192 10.82      

Unscaled Zero Point Vibrational Energy (zpe) 4016.1 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 3834.6 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 MP2=FULL/3-21G
ABC
0.15299 0.04591 0.03532

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.222 0.737 0.000
C2 0.222 -0.737 0.000
O3 -1.348 1.181 0.000
O4 1.348 -1.181 0.000
Cl5 1.348 1.827 0.000
Cl6 -1.348 -1.827 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.54051.20952.47881.91102.8003
C21.54052.47881.20952.80031.9110
O31.20952.47883.58352.77193.0073
O42.47881.20953.58353.00732.7719
Cl51.91102.80032.77193.00734.5402
Cl62.80031.91103.00732.77194.5402

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 128.272 C1 C2 Cl6 107.970
C2 C1 O3 128.272 C2 C1 Cl5 107.970
O3 C1 Cl5 123.759 O4 C2 Cl6 123.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability