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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: PBEPBE/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 PBEPBE/STO-3G
 hartrees
Energy at 0K-7443.675702
Energy at 298.15K 
HF Energy-7443.675702
Nuclear repulsion energy397.849157
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/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 3194 2918 3.73 46.30 0.39 0.56
2 A 1344 1227 62.51 4.57 0.65 0.79
3 A 1235 1129 66.67 3.36 0.71 0.83
4 A 1200 1097 68.41 7.25 0.75 0.86
5 A 726 663 172.38 7.18 0.37 0.54
6 A 597 545 42.57 9.48 0.25 0.40
7 A 394 360 4.92 5.09 0.29 0.45
8 A 282 257 2.04 4.09 0.61 0.76
9 A 181 166 0.95 6.40 0.55 0.71

Unscaled Zero Point Vibrational Energy (zpe) 4576.1 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 4180.7 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/STO-3G
ABC
0.18911 0.04492 0.03716

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.989 0.541 0.410
H2 1.091 0.624 1.529
F3 1.320 1.719 -0.213
Cl4 2.255 -0.797 -0.067
I5 -1.080 -0.109 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.12691.37281.90352.2104
H21.12692.07052.43352.7646
F31.37282.07052.68823.0236
Cl41.90352.43352.68823.4059
I52.21042.76463.02363.4059

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.476 H2 C1 Cl4 103.873
H2 C1 I5 107.370 F3 C1 Cl4 109.197
F3 C1 I5 113.001 Cl4 C1 I5 111.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.005      
2 H 0.126      
3 F 0.008      
4 Cl -0.163      
5 I 0.033      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.320 1.741 1.067 2.067
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.000 2.765 1.293
y 2.765 -47.779 0.668
z 1.293 0.668 -46.648
Traceless
 xyz
x -3.786 2.765 1.293
y 2.765 1.045 0.668
z 1.293 0.668 2.742
Polar
3z2-r25.483
x2-y2-3.220
xy2.765
xz1.293
yz0.668


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.124 -0.019 0.207
y -0.019 2.575 0.256
z 0.207 0.256 1.229


<r2> (average value of r2) Å2
<r2> 245.340
(<r2>)1/2 15.663