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

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-7148.255290
Energy at 298.15K 
HF Energy-7148.255290
Nuclear repulsion energy411.940773
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 mPW1PW91/STO-3G
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 555 488 0.01 5.11 0.16 0.28
2 A1 509 447 3.25 12.48 0.34 0.50
3 A1 240 211 9.39 0.19 0.62 0.76
4 B1 163 143 2.98 0.01 0.75 0.86
5 B2 578 508 29.44 0.47 0.75 0.86
6 B2 310 273 4.50 2.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1177.7 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 1035.1 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 mPW1PW91/STO-3G
ABC
0.23015 0.11273 0.07567

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.366
F2 0.000 0.000 -1.693
F3 0.000 1.984 -0.230
F4 0.000 -1.984 -0.230

Atom - Atom Distances (Å)
  I1 F2 F3 F4
I12.05842.07132.0713
F22.05842.46482.4648
F32.07132.46483.9677
F42.07132.46483.9677

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 73.290 F2 I1 F4 73.290
F3 I1 F4 146.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 I 0.585      
2 F -0.179      
3 F -0.203      
4 F -0.203      


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 1.483 1.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.548 0.000 0.000
y 0.000 -42.771 0.000
z 0.000 0.000 -39.058
Traceless
 xyz
x 3.367 0.000 0.000
y 0.000 -4.468 0.000
z 0.000 0.000 1.101
Polar
3z2-r22.202
x2-y25.223
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.322 0.000 0.000
y 0.000 4.875 0.000
z 0.000 0.000 2.145


<r2> (average value of r2) Å2
<r2> 129.520
(<r2>)1/2 11.381