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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-7444.735194
Energy at 298.15K 
HF Energy-7444.735194
Nuclear repulsion energy401.671046
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 B3PW91/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 A 3293 2914 2.10 44.28 0.38 0.55
2 A 1387 1228 56.34 4.94 0.74 0.85
3 A 1257 1113 64.87 5.87 0.75 0.86
4 A 1253 1109 87.45 4.75 0.75 0.86
5 A 780 690 164.12 8.53 0.49 0.66
6 A 624 552 38.66 11.30 0.23 0.37
7 A 409 362 5.13 4.80 0.30 0.46
8 A 293 259 1.11 4.10 0.60 0.75
9 A 191 169 1.18 5.82 0.56 0.72

Unscaled Zero Point Vibrational Energy (zpe) 4743.1 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 4197.6 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 B3PW91/STO-3G
ABC
0.19244 0.04583 0.03790

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.979 0.530 0.409
H2 1.082 0.616 1.521
F3 1.308 1.705 -0.211
Cl4 2.232 -0.790 -0.067
I5 -1.069 -0.108 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.11981.36911.88132.1869
H21.11982.05802.41262.7422
F31.36912.05802.66452.9962
Cl41.88132.41262.66453.3714
I52.18692.74222.99623.3714

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.157 H2 C1 Cl4 104.113
H2 C1 I5 107.626 F3 C1 Cl4 109.101
F3 C1 I5 112.792 Cl4 C1 I5 111.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.007      
2 H 0.128      
3 F -0.025      
4 Cl -0.160      
5 I 0.050      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.440 1.513 1.143 1.946
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.189 2.431 1.375
y 2.431 -48.287 0.735
z 1.375 0.735 -46.640
Traceless
 xyz
x -3.726 2.431 1.375
y 2.431 0.628 0.735
z 1.375 0.735 3.098
Polar
3z2-r26.195
x2-y2-2.903
xy2.431
xz1.375
yz0.735


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.798 -0.032 0.208
y -0.032 2.436 0.259
z 0.208 0.259 1.216


<r2> (average value of r2) Å2
<r2> 241.299
(<r2>)1/2 15.534