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

using model chemistry: MP4=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 MP4=FULL/3-21G
 hartrees
Energy at 0K-1139.338484
Energy at 298.15K-1139.338611
HF Energy-1138.725014
Nuclear repulsion energy310.472209
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 MP4=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 1693 1657        
2 Ag 892 873        
3 Ag 531 520        
4 Ag 355 348        
5 Ag 256 251        
6 Au 387 379        
7 Au 52 51        
8 Bg 690 675        
9 Bu 1707 1671        
10 Bu 632 618        
11 Bu 404 395        
12 Bu 193 189        

Unscaled Zero Point Vibrational Energy (zpe) 3896.3 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 3813.7 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 MP4=FULL/3-21G
ABC
0.15059 0.04522 0.03478

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.228 0.744 0.000
C2 0.228 -0.744 0.000
O3 -1.359 1.186 0.000
O4 1.359 -1.186 0.000
Cl5 1.359 1.840 0.000
Cl6 -1.359 -1.840 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55711.21432.49961.92912.8210
C21.55712.49961.21432.82101.9291
O31.21432.49963.60842.79643.0262
O42.49961.21433.60843.02622.7964
Cl51.92912.82102.79643.02624.5754
Cl62.82101.92913.02622.79644.5754

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 128.395 C1 C2 Cl6 107.554
C2 C1 O3 128.395 C2 C1 Cl5 107.554
O3 C1 Cl5 124.051 O4 C2 Cl6 124.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability