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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-1145.463002
Energy at 298.15K 
HF Energy-1144.522026
Nuclear repulsion energy325.193329
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/TZVP
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 1783 1690 0.00      
2 Ag 1080 1024 0.00      
3 Ag 618 586 0.00      
4 Ag 432 410 0.00      
5 Ag 290 275 0.00      
6 Au 378 358 15.95      
7 Au 25i 23i 0.72      
8 Bg 705 668 0.00      
9 Bu 1810 1716 348.61      
10 Bu 771 731 520.93      
11 Bu 501 475 8.93      
12 Bu 209 198 4.07      

Unscaled Zero Point Vibrational Energy (zpe) 4276.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 4053.6 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/TZVP
ABC
0.16329 0.04976 0.03814

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.171 0.757 0.000
C2 0.171 -0.757 0.000
O3 -1.278 1.197 0.000
O4 1.278 -1.197 0.000
Cl5 1.278 1.754 0.000
Cl6 -1.278 -1.754 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55201.19132.43291.75902.7444
C21.55202.43291.19132.74441.7590
O31.19132.43293.50252.61582.9518
O42.43291.19133.50252.95182.6158
Cl51.75902.74442.61582.95184.3408
Cl62.74441.75902.95182.61584.3408

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 124.433 C1 C2 Cl6 111.813
C2 C1 O3 124.433 C2 C1 Cl5 111.813
O3 C1 Cl5 123.754 O4 C2 Cl6 123.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability