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

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-1138.739241
Energy at 298.15K-1138.739927
HF Energy-1138.739241
Nuclear repulsion energy322.213625
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/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 1990 1802 0.00      
2 Ag 1094 991 0.00      
3 Ag 642 582 0.00      
4 Ag 438 397 0.00      
5 Ag 300 272 0.00      
6 Au 453 410 34.02      
7 Au 65 59 0.02      
8 Bg 815 738 0.00      
9 Bu 2019 1829 400.48      
10 Bu 760 688 504.50      
11 Bu 494 447 7.50      
12 Bu 221 200 8.00      

Unscaled Zero Point Vibrational Energy (zpe) 4645.2 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 4206.7 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 HF/3-21G
ABC
0.16525 0.04809 0.03725

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.194 0.732 0.000
C2 0.194 -0.732 0.000
O3 -1.293 1.153 0.000
O4 1.293 -1.153 0.000
Cl5 1.293 1.797 0.000
Cl6 -1.293 -1.797 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 Cl5 Cl6
C11.51531.17602.40101.82912.7578
C21.51532.40101.17602.75781.8291
O31.17602.40103.46412.66452.9502
O42.40101.17603.46412.95022.6645
Cl51.82912.75782.66452.95024.4279
Cl62.75781.82912.95022.66454.4279

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 125.817 C1 C2 Cl6 110.744
C2 C1 O3 125.817 C2 C1 Cl5 110.744
O3 C1 Cl5 123.439 O4 C2 Cl6 123.439
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.309      
2 C 0.309      
3 O -0.415      
4 O -0.415      
5 Cl 0.106      
6 Cl 0.106      


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 -53.015 1.584 0.000
y 1.584 -52.374 0.000
z 0.000 0.000 -45.655
Traceless
 xyz
x -4.000 1.584 0.000
y 1.584 -3.038 0.000
z 0.000 0.000 7.039
Polar
3z2-r214.078
x2-y2-0.641
xy1.584
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.407 2.492 0.000
y 2.492 6.667 0.000
z 0.000 0.000 2.039


<r2> (average value of r2) Å2
<r2> 252.987
(<r2>)1/2 15.906