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

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-1139.323729
Energy at 298.15K-1139.323855
HF Energy-1138.725007
Nuclear repulsion energy310.458704
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 MP4/3-21G
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 1642        
2 Ag 892 865        
3 Ag 531 515        
4 Ag 355 345        
5 Ag 256 248        
6 Au 387 375        
7 Au 52 51        
8 Bg 690 669        
9 Bu 1707 1655        
10 Bu 631 612        
11 Bu 404 391        
12 Bu 193 187        

Unscaled Zero Point Vibrational Energy (zpe) 3895.4 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 3777.8 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 MP4/3-21G
ABC
0.15059 0.04522 0.03477

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

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 1.187 0.000
O4 1.359 -1.187 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
C11.55731.21442.49971.92902.8214
C21.55732.49971.21442.82141.9290
O31.21442.49973.60862.79613.0268
O42.49971.21443.60863.02682.7961
Cl51.92902.82142.79613.02684.5757
Cl62.82141.92903.02682.79614.5757

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 128.388 C1 C2 Cl6 107.576
C2 C1 O3 128.388 C2 C1 Cl5 107.576
O3 C1 Cl5 124.036 O4 C2 Cl6 124.036
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability