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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-7486.463994
Energy at 298.15K 
HF Energy-7486.463994
Nuclear repulsion energy400.423001
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 BLYP/3-21G*
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 3071 3051 4.92 87.01 0.29 0.45
2 A 1282 1274 10.37 8.08 0.75 0.86
3 A 1167 1160 88.22 5.56 0.52 0.69
4 A 1045 1038 125.18 1.36 0.71 0.83
5 A 616 612 213.77 4.16 0.55 0.71
6 A 546 542 70.08 13.94 0.17 0.30
7 A 356 354 3.54 6.49 0.28 0.44
8 A 239 238 0.42 4.99 0.45 0.62
9 A 174 173 0.01 8.12 0.45 0.62

Unscaled Zero Point Vibrational Energy (zpe) 4247.6 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 4220.0 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 BLYP/3-21G*
ABC
0.19389 0.04550 0.03779

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.026 0.503 0.435
H2 1.100 0.599 1.523
F3 1.313 1.699 -0.216
Cl4 2.229 -0.786 -0.074
I5 -1.075 -0.105 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.09441.39191.83562.2330
H21.09442.06892.39642.7559
F31.39192.06892.65302.9994
Cl41.83562.39642.65303.3738
I52.23302.75592.99943.3738

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 112.078 H2 C1 Cl4 107.006
H2 C1 I5 106.778 F3 C1 Cl4 109.805
F3 C1 I5 109.479 Cl4 C1 I5 111.664
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.125      
2 H 0.263      
3 F -0.203      
4 Cl -0.003      
5 I 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.317 0.188 1.242 1.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.134 0.842 2.094
y 0.842 -53.022 1.331
z 2.094 1.331 -50.453
Traceless
 xyz
x 0.603 0.842 2.094
y 0.842 -2.229 1.331
z 2.094 1.331 1.625
Polar
3z2-r23.251
x2-y21.888
xy0.842
xz2.094
yz1.331


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.465 -0.419 0.127
y -0.419 6.191 0.273
z 0.127 0.273 5.046


<r2> (average value of r2) Å2
<r2> 243.858
(<r2>)1/2 15.616