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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-1146.430680
Energy at 298.15K-1146.431011
HF Energy-1146.430680
Nuclear repulsion energy323.984604
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 PBEPBE/6-31G(2df,p)
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 1811 1792 0.00      
2 Ag 1002 992 0.00      
3 Ag 598 592 0.00      
4 Ag 408 404 0.00      
5 Ag 277 274 0.00      
6 Au 370 366 13.62      
7 Au 27 26 0.37      
8 Bg 705 698 0.00      
9 Bu 1839 1820 366.64      
10 Bu 731 723 493.49      
11 Bu 469 464 8.78      
12 Bu 199 196 3.43      

Unscaled Zero Point Vibrational Energy (zpe) 4217.0 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 4173.5 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 PBEPBE/6-31G(2df,p)
ABC
0.16097 0.04961 0.03792

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.181 0.757 0.000
C2 0.181 -0.757 0.000
O3 -1.287 1.200 0.000
O4 1.287 -1.200 0.000
Cl5 1.287 1.753 0.000
Cl6 -1.287 -1.753 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.55671.19172.44681.77462.7431
C21.55672.44681.19172.74311.7746
O31.19172.44683.52002.63362.9532
O42.44681.19173.52002.95322.6336
Cl51.77462.74312.63362.95324.3502
Cl62.74311.77462.95322.63364.3502

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 125.291 C1 C2 Cl6 110.689
C2 C1 O3 125.291 C2 C1 Cl5 110.689
O3 C1 Cl5 124.020 O4 C2 Cl6 124.020
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.221      
2 C 0.221      
3 O -0.150      
4 O -0.150      
5 Cl -0.071      
6 Cl -0.071      


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 -48.099 3.027 0.000
y 3.027 -47.452 0.000
z 0.000 0.000 -43.873
Traceless
 xyz
x -2.437 3.027 0.000
y 3.027 -1.466 0.000
z 0.000 0.000 3.903
Polar
3z2-r27.805
x2-y2-0.647
xy3.027
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.915 2.418 0.000
y 2.418 9.126 0.000
z 0.000 0.000 4.343


<r2> (average value of r2) Å2
<r2> 246.714
(<r2>)1/2 15.707