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All results from a given calculation for SeOCl2 (selenium oxychloride)

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-54.003645
Energy at 298.15K-54.002336
HF Energy-54.003645
Nuclear repulsion energy52.062036
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-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 693 625 48.13      
2 A' 375 338 43.21      
3 A' 239 216 21.87      
4 A' 149 134 1.92      
5 A" 375 338 72.26      
6 A" 210 189 3.45      

Unscaled Zero Point Vibrational Energy (zpe) 1020.5 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 919.9 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-31G
ABC
0.11454 0.07227 0.05098

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.166 0.607 0.000
O2 -1.409 1.255 0.000
Cl3 0.166 -0.902 1.726
Cl4 0.166 -0.902 -1.726

Atom - Atom Distances (Å)
  Se1 O2 Cl3 Cl4
Se11.70342.29242.2924
O21.70343.18023.1802
Cl32.29243.18023.4523
Cl42.29243.18023.4523

picture of selenium oxychloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 Se1 Cl3 104.512 O2 Se1 Cl4 104.512
Cl3 Se1 Cl4 97.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 0.994      
2 O -0.599      
3 Cl -0.197      
4 Cl -0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.545 0.947 0.000 3.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.308 4.945 0.000
y 4.945 -46.722 0.000
z 0.000 0.000 -47.854
Traceless
 xyz
x -2.020 4.945 0.000
y 4.945 1.858 0.000
z 0.000 0.000 0.161
Polar
3z2-r20.322
x2-y2-2.585
xy4.945
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.802 -1.908 0.000
y -1.908 7.715 0.000
z 0.000 0.000 11.456


<r2> (average value of r2) Å2
<r2> 107.187
(<r2>)1/2 10.353