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

using model chemistry: MP2/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1131.884868
Energy at 298.15K-1131.884852
HF Energy-1131.596019
Nuclear repulsion energy311.526142
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/STO-3G
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 1788 1559 0.00      
2 Ag 1092 952 0.00      
3 Ag 618 539 0.00      
4 Ag 414 361 0.00      
5 Ag 263 230 0.00      
6 Au 346 302 15.38      
7 Au 44 39 1.29      
8 Bg 655 571 0.00      
9 Bu 1790 1561 142.04      
10 Bu 786 685 402.83      
11 Bu 471 411 13.89      
12 Bu 163 143 4.72      

Unscaled Zero Point Vibrational Energy (zpe) 4215.5 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 3675.5 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 MP2/STO-3G
ABC
0.14726 0.04623 0.03519

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.199 0.777 0.000
C2 0.199 -0.777 0.000
O3 -1.346 1.249 0.000
O4 1.346 -1.249 0.000
Cl5 1.346 1.810 0.000
Cl6 -1.346 -1.810 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.60471.24032.54821.85842.8298
C21.60472.54821.24032.82981.8584
O31.24032.54823.67262.75023.0585
O42.54821.24033.67263.05852.7502
Cl51.85842.82982.75023.05854.5108
Cl62.82981.85843.05852.75024.5108

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 126.716 C1 C2 Cl6 109.379
C2 C1 O3 126.716 C2 C1 Cl5 109.379
O3 C1 Cl5 123.905 O4 C2 Cl6 123.905
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability