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All results from a given calculation for IF (Iodine monofluoride)

using model chemistry: PBEPBE/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at PBEPBE/LANL2DZ
 hartrees
Energy at 0K-111.105430
Energy at 298.15K-111.103561
HF Energy-111.105430
Nuclear repulsion energy16.408812
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/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 525 525 7.10      

Unscaled Zero Point Vibrational Energy (zpe) 262.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 262.7 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 PBEPBE/LANL2DZ
B
0.24714

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/LANL2DZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.295
F2 0.000 0.000 -1.737

Atom - Atom Distances (Å)
  I1 F2
I12.0317
F22.0317

picture of Iodine monofluoride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 I 0.410      
2 F -0.410      


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 2.632 2.632
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.186 0.000 0.000
y 0.000 -25.186 0.000
z 0.000 0.000 -25.172
Traceless
 xyz
x -0.007 0.000 0.000
y 0.000 -0.007 0.000
z 0.000 0.000 0.014
Polar
3z2-r20.028
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.265 0.000 0.000
y 0.000 0.265 0.000
z 0.000 0.000 4.045


<r2> (average value of r2) Å2
<r2> 43.485
(<r2>)1/2 6.594