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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: CISD/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 CISD/3-21G
 hartrees
Energy at 0K-7482.519347
Energy at 298.15K 
HF Energy-7482.236233
Nuclear repulsion energy400.440987
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 CISD/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 3250 3059 4.55      
2 A 1362 1282 22.84      
3 A 1244 1171 116.74      
4 A 1127 1061 124.86      
5 A 691 650 181.70      
6 A 581 547 24.94      
7 A 358 337 2.49      
8 A 271 255 0.45      
9 A 184 174 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 4533.9 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 4267.7 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 CISD/3-21G
ABC
0.19385 0.04529 0.03765

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.973 0.525 0.441
H2 1.091 0.635 1.511
F3 1.267 1.704 -0.221
Cl4 2.265 -0.770 -0.071
I5 -1.073 -0.114 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08191.38391.89982.1916
H21.08192.04302.41982.7529
F31.38392.04302.67192.9700
Cl41.89982.41982.67193.4023
I52.19162.75292.97003.4023

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.305 H2 C1 Cl4 105.167
H2 C1 I5 109.784 F3 C1 Cl4 107.882
F3 C1 I5 110.279 Cl4 C1 I5 112.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability