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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-7486.918252
Energy at 298.15K 
HF Energy-7486.918252
Nuclear repulsion energy409.886305
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 mPW1PW91/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3185 3024 2.20 81.43 0.28 0.44
2 A 1339 1271 8.84 7.34 0.75 0.86
3 A 1240 1178 83.78 6.66 0.45 0.62
4 A 1103 1047 120.37 2.24 0.70 0.82
5 A 718 682 211.29 5.40 0.74 0.85
6 A 598 568 42.51 16.29 0.16 0.28
7 A 390 370 1.06 4.90 0.30 0.47
8 A 260 247 0.19 4.44 0.43 0.60
9 A 192 182 0.05 6.17 0.47 0.64

Unscaled Zero Point Vibrational Energy (zpe) 4511.8 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 4284.4 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 mPW1PW91/3-21G*
ABC
0.20178 0.04785 0.03969

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.002 0.478 0.430
H2 1.077 0.591 1.508
F3 1.293 1.666 -0.212
Cl4 2.167 -0.773 -0.074
I5 -1.048 -0.100 -0.017

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08651.38141.78192.1775
H21.08652.04022.35592.7063
F31.38142.04022.59462.9398
Cl41.78192.35592.59463.2854
I52.17752.70632.93983.2854

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.956 H2 C1 Cl4 107.966
H2 C1 I5 107.234 F3 C1 Cl4 109.561
F3 C1 I5 109.344 Cl4 C1 I5 111.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.168      
2 H 0.302      
3 F -0.256      
4 Cl 0.026      
5 I 0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.417 -0.126 1.328 1.397
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.814 0.327 2.227
y 0.327 -53.470 1.469
z 2.227 1.469 -50.264
Traceless
 xyz
x 1.053 0.327 2.227
y 0.327 -2.931 1.469
z 2.227 1.469 1.877
Polar
3z2-r23.755
x2-y22.656
xy0.327
xz2.227
yz1.469


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.626 -0.386 0.119
y -0.386 5.902 0.261
z 0.119 0.261 4.952


<r2> (average value of r2) Å2
<r2> 233.798
(<r2>)1/2 15.290