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All results from a given calculation for CF3I (trifluoroiodomethane)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-88.165315
Energy at 298.15K-88.164874
HF Energy-88.165315
Nuclear repulsion energy101.296712
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-121G
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 1142 1042 545.31      
2 A1 725 661 32.23      
3 A1 304 277 5.31      
4 E 1229 1122 314.24      
4 E 1229 1122 314.24      
5 E 523 478 7.11      
5 E 523 478 7.11      
6 E 276 252 0.38      
6 E 276 252 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 3113.5 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 2841.0 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-121G
ABC
0.18340 0.04940 0.04940

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.161
I2 0.000 0.000 0.981
F3 0.000 1.270 -1.667
F4 1.100 -0.635 -1.667
F5 -1.100 -0.635 -1.667

Atom - Atom Distances (Å)
  C1 I2 F3 F4 F5
C12.14151.36691.36691.3669
I22.14152.93612.93612.9361
F31.36692.93612.19962.1996
F41.36692.93612.19962.1996
F51.36692.93612.19962.1996

picture of trifluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 F3 111.718 I2 C1 F4 111.718
I2 C1 F5 111.718 F3 C1 F4 107.134
F3 C1 F5 107.134 F4 C1 F5 107.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.204      
2 I 0.390      
3 F -0.198      
4 F -0.198      
5 F -0.198      


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 2.611 2.611
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.494 0.000 0.000
y 0.000 -43.494 0.000
z 0.000 0.000 -40.795
Traceless
 xyz
x -1.350 0.000 0.000
y 0.000 -1.350 0.000
z 0.000 0.000 2.699
Polar
3z2-r25.398
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 2.427 0.000 0.000
y 0.000 2.427 0.000
z 0.000 0.000 6.896


<r2> (average value of r2) Å2
<r2> 130.933
(<r2>)1/2 11.443