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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-7487.298928
Energy at 298.15K 
HF Energy-7487.298928
Nuclear repulsion energy410.891925
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 B1B95/3-21G
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 3187 3049 2.10 81.89 0.28 0.44
2 A 1335 1278 9.12 7.49 0.75 0.86
3 A 1236 1182 83.45 6.73 0.45 0.62
4 A 1103 1055 119.66 2.34 0.69 0.82
5 A 717 686 211.30 5.54 0.75 0.85
6 A 597 571 40.92 16.82 0.16 0.28
7 A 387 370 1.02 4.81 0.31 0.47
8 A 256 245 0.30 4.40 0.43 0.61
9 A 190 181 0.06 6.02 0.48 0.65

Unscaled Zero Point Vibrational Energy (zpe) 4504.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 4309.0 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 B1B95/3-21G
ABC
0.20243 0.04813 0.03991

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.999 0.477 0.432
H2 1.075 0.592 1.508
F3 1.290 1.663 -0.213
Cl4 2.161 -0.772 -0.074
I5 -1.045 -0.100 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08491.38061.77892.1712
H21.08492.03812.35322.7024
F31.38062.03812.58962.9323
Cl41.77892.35322.58963.2761
I52.17122.70242.93233.2761

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.940 H2 C1 Cl4 108.047
H2 C1 I5 107.440 F3 C1 Cl4 109.449
F3 C1 I5 109.272 Cl4 C1 I5 111.682
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.164      
2 H 0.298      
3 F -0.257      
4 Cl 0.026      
5 I 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.452 -0.150 1.321 1.404
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.671 0.304 2.229
y 0.304 -53.382 1.474
z 2.229 1.474 -50.159
Traceless
 xyz
x 1.099 0.304 2.229
y 0.304 -2.967 1.474
z 2.229 1.474 1.868
Polar
3z2-r23.735
x2-y22.711
xy0.304
xz2.229
yz1.474


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.592 -0.380 0.123
y -0.380 5.886 0.263
z 0.123 0.263 4.951


<r2> (average value of r2) Å2
<r2> 232.666
(<r2>)1/2 15.253