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All results from a given calculation for CHFClI (fluorochloroiodomethane)

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 C1 1A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-55.737715
Energy at 298.15K 
HF Energy-55.737715
Nuclear repulsion energy58.962492
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 A 3363 3069 4.63 89.66 0.24 0.39
2 A 1416 1293 28.12 11.17 0.74 0.85
3 A 1327 1211 136.55 17.29 0.53 0.69
4 A 1109 1012 220.65 8.89 0.75 0.85
5 A 801 731 207.86 20.51 0.61 0.76
6 A 622 568 34.20 32.03 0.26 0.42
7 A 411 375 2.40 9.18 0.34 0.51
8 A 287 262 2.11 6.98 0.55 0.71
9 A 205 187 0.43 11.79 0.58 0.73

Unscaled Zero Point Vibrational Energy (zpe) 4770.4 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 4352.9 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
0.20276 0.04703 0.03916

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.968 0.473 0.435
H2 1.064 0.628 1.493
F3 1.251 1.674 -0.213
Cl4 2.217 -0.752 -0.072
I5 -1.053 -0.109 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.07391.39341.82162.1522
H21.07392.00972.38452.7041
F31.39342.00972.61512.9203
Cl41.82162.38452.61513.3338
I52.15222.70412.92033.3338

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 108.392 H2 C1 Cl4 108.080
H2 C1 I5 109.290 F3 C1 Cl4 108.124
F3 C1 I5 109.022 Cl4 C1 I5 113.800
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 -0.329      
2 H 0.251      
3 F -0.253      
4 Cl 0.032      
5 I 0.299      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.270 -0.548 1.873 2.329
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.480 0.235 2.648
y 0.235 -47.337 1.878
z 2.648 1.878 -42.023
Traceless
 xyz
x 0.200 0.235 2.648
y 0.235 -4.085 1.878
z 2.648 1.878 3.885
Polar
3z2-r27.771
x2-y22.857
xy0.235
xz2.648
yz1.878


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.343 -0.120 0.329
y -0.120 4.069 0.492
z 0.329 0.492 2.789


<r2> (average value of r2) Å2
<r2> 114.186
(<r2>)1/2 10.686