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

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-71.729061
Energy at 298.15K-71.729753
HF Energy-71.729061
Nuclear repulsion energy109.050257
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 HF/CEP-121G*
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 2028 1832 0.00      
2 Ag 1228 1109 0.00      
3 Ag 672 607 0.00      
4 Ag 477 431 0.00      
5 Ag 307 277 0.00      
6 Au 427 385 33.30      
7 Au 18 16 1.19      
8 Bg 791 714 0.00      
9 Bu 2040 1843 600.58      
10 Bu 858 775 565.52      
11 Bu 544 491 11.50      
12 Bu 217 196 4.33      

Unscaled Zero Point Vibrational Energy (zpe) 4802.7 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 4338.8 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 HF/CEP-121G*
ABC
0.16871 0.04940 0.03821

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.167 0.764 0.000
C2 0.167 -0.764 0.000
O3 -1.257 1.186 0.000
O4 1.257 -1.186 0.000
Cl5 1.257 1.775 0.000
Cl6 -1.257 -1.775 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.56331.16912.41401.74692.7631
C21.56332.41401.16912.76311.7469
O31.16912.41403.45612.58272.9608
O42.41401.16913.45612.96082.5827
Cl51.74692.76312.58272.96084.3507
Cl62.76311.74692.96082.58274.3507

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 123.486 C1 C2 Cl6 113.059
C2 C1 O3 123.486 C2 C1 Cl5 113.059
O3 C1 Cl5 123.456 O4 C2 Cl6 123.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.318      
2 C 0.318      
3 O -0.237      
4 O -0.237      
5 Cl -0.082      
6 Cl -0.082      


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 -49.014 4.205 0.000
y 4.205 -48.017 0.000
z 0.000 0.000 -43.201
Traceless
 xyz
x -3.405 4.205 0.000
y 4.205 -1.910 0.000
z 0.000 0.000 5.314
Polar
3z2-r210.629
x2-y2-0.997
xy4.205
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.804 1.651 0.000
y 1.651 7.347 0.000
z 0.000 0.000 3.700


<r2> (average value of r2) Å2
<r2> 136.166
(<r2>)1/2 11.669