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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-7517.372375
Energy at 298.15K 
HF Energy-7517.372375
Nuclear repulsion energy407.541565
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/6-311G**
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 3081 3053 2.21      
2 A 1279 1267 13.37      
3 A 1145 1135 87.05      
4 A 1059 1049 215.43      
5 A 713 706 234.01      
6 A 554 549 68.56      
7 A 403 399 0.70      
8 A 255 253 1.02      
9 A 183 181 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 4334.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 4295.3 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/6-311G**
ABC
0.20619 0.04668 0.03901

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.020 0.481 0.417
H2 1.084 0.610 1.502
F3 1.297 1.648 -0.212
Cl4 2.199 -0.763 -0.071
I5 -1.062 -0.101 -0.017

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.09441.35351.78232.2052
H21.09442.01482.36762.7235
F31.35352.01482.57762.9428
Cl41.78232.36762.57763.3275
I52.20522.72352.94283.3275

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.335 H2 C1 Cl4 108.399
H2 C1 I5 106.325 F3 C1 Cl4 109.811
F3 C1 I5 109.221 Cl4 C1 I5 112.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.132      
2 H 0.219      
3 F -0.139      
4 Cl -0.005      
5 I 0.058      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.064 0.053 1.223 1.226
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.429 0.481 1.923
y 0.481 -53.346 1.298
z 1.923 1.298 -50.969
Traceless
 xyz
x 0.729 0.481 1.923
y 0.481 -2.147 1.298
z 1.923 1.298 1.418
Polar
3z2-r22.837
x2-y21.917
xy0.481
xz1.923
yz1.298


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.773 -0.428 0.140
y -0.428 6.178 0.364
z 0.140 0.364 4.970


<r2> (average value of r2) Å2
<r2> 237.365
(<r2>)1/2 15.407