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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-1141.166667
Energy at 298.15K-1141.167077
HF Energy-1141.166667
Nuclear repulsion energy318.726648
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 B3PW91/3-21G
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 1836 1765 0.00      
2 Ag 965 928 0.00      
3 Ag 597 573 0.00      
4 Ag 395 379 0.00      
5 Ag 280 270 0.00      
6 Au 415 399 17.57      
7 Au 54 52 0.02      
8 Bg 744 715 0.00      
9 Bu 1861 1789 335.78      
10 Bu 695 668 460.95      
11 Bu 448 431 15.07      
12 Bu 207 199 6.58      

Unscaled Zero Point Vibrational Energy (zpe) 4249.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 4084.6 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 B3PW91/3-21G
ABC
0.15742 0.04792 0.03673

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.211 0.733 0.000
C2 0.211 -0.733 0.000
O3 -1.323 1.174 0.000
O4 1.323 -1.174 0.000
Cl5 1.323 1.784 0.000
Cl6 -1.323 -1.784 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.52471.19612.44671.85922.7512
C21.52472.44671.19612.75121.8592
O31.19612.44673.53682.71452.9579
O42.44671.19613.53682.95792.7145
Cl51.85922.75122.71452.95794.4415
Cl62.75121.85922.95792.71454.4415

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 127.708 C1 C2 Cl6 108.379
C2 C1 O3 127.708 C2 C1 Cl5 108.379
O3 C1 Cl5 123.913 O4 C2 Cl6 123.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.221      
2 C 0.221      
3 O -0.319      
4 O -0.319      
5 Cl 0.099      
6 Cl 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.899 0.937 0.000
y 0.937 -50.828 0.000
z 0.000 0.000 -45.125
Traceless
 xyz
x -2.923 0.937 0.000
y 0.937 -2.816 0.000
z 0.000 0.000 5.739
Polar
3z2-r211.478
x2-y2-0.071
xy0.937
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.096 2.985 0.000
y 2.985 7.408 0.000
z 0.000 0.000 2.162


<r2> (average value of r2) Å2
<r2> 255.262
(<r2>)1/2 15.977