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All results from a given calculation for IF3 (iodone trifluoride)

using model chemistry: TPSSh/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/3-21G*
 hartrees
Energy at 0K-7188.106529
Energy at 298.15K 
HF Energy-7188.106529
Nuclear repulsion energy434.851027
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 TPSSh/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 A1 688 664 21.62 9.07 0.17 0.29
2 A1 619 598 0.03 13.79 0.38 0.55
3 A1 200 194 11.14 0.07 0.32 0.49
4 B1 203 196 11.17 0.02 0.75 0.86
5 B2 687 663 116.98 0.55 0.75 0.86
6 B2 287 278 5.33 1.74 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1342.1 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 1296.1 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 TPSSh/3-21G*
ABC
0.27773 0.11792 0.08278

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.260
F2 0.000 0.000 -1.655
F3 0.000 1.940 0.062
F4 0.000 -1.940 0.062

Atom - Atom Distances (Å)
  I1 F2 F3 F4
I11.91531.94981.9498
F21.91532.59062.5906
F31.94982.59063.8794
F41.94982.59063.8794

picture of iodone trifluoride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 I1 F3 84.171 F2 I1 F4 84.171
F3 I1 F4 168.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 I 0.911      
2 F -0.272      
3 F -0.320      
4 F -0.320      


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 1.886 1.886
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.739 0.000 0.000
y 0.000 5.308 0.000
z 0.000 0.000 3.900


<r2> (average value of r2) Å2
<r2> 122.823
(<r2>)1/2 11.083