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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-1144.789206
Energy at 298.15K-1144.789347
HF Energy-1144.232645
Nuclear repulsion energy311.085957
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/SDD
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 1596 1541 0.00      
2 Ag 970 937 0.00      
3 Ag 567 548 0.00      
4 Ag 381 368 0.00      
5 Ag 264 255 0.00      
6 Au 363 351 18.86      
7 Au 24 23 0.16      
8 Bg 665 642 0.00      
9 Bu 1622 1566 310.25      
10 Bu 668 645 436.51      
11 Bu 435 420 19.28      
12 Bu 193 186 5.81      

Unscaled Zero Point Vibrational Energy (zpe) 3874.9 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 3740.5 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/SDD
ABC
0.15214 0.04516 0.03483

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.191 0.762 0.000
C2 0.191 -0.762 0.000
O3 -1.337 1.222 0.000
O4 1.337 -1.222 0.000
Cl5 1.337 1.850 0.000
Cl6 -1.337 -1.850 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.57091.23452.50381.87592.8520
C21.57092.50381.23452.85201.8759
O31.23452.50383.62192.74663.0716
O42.50381.23453.62193.07162.7466
Cl51.87592.85202.74663.07164.5648
Cl62.85201.87593.07162.74664.5648

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 125.958 C1 C2 Cl6 111.366
C2 C1 O3 125.958 C2 C1 Cl5 111.366
O3 C1 Cl5 122.676 O4 C2 Cl6 122.676
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability