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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: PM3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K-0.055802
HF Energy-0.055802
Nuclear repulsion energy97.075330
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 PM3
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 2931 2855 14.18 108.33 0.32 0.48
2 A 1478 1440 234.86 49.23 0.27 0.42
3 A 1097 1069 240.20 69.92 0.44 0.61
4 A 1093 1065 11.15 12.31 0.57 0.72
5 A 753 733 174.85 129.32 0.39 0.57
6 A 661 644 63.60 40.91 0.56 0.72
7 A 471 459 5.55 11.18 0.57 0.72
8 A 378 368 1.15 7.00 0.75 0.85
9 A 240 234 0.83 12.67 0.73 0.84

Unscaled Zero Point Vibrational Energy (zpe) 4550.9 cm-1
Scaled (by 0.974) Zero Point Vibrational Energy (zpe) 4432.6 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 PM3
ABC
0.19192 0.05928 0.04674

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.933 0.544 0.432
H2 1.006 0.753 1.518
F3 1.269 1.657 -0.238
Cl4 1.888 -0.843 -0.064
I5 -0.946 -0.087 -0.017

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.10881.34201.75572.0316
H21.10881.99272.41482.6212
F31.34201.99272.58122.8274
Cl41.75572.41482.58122.9333
I52.03162.62122.82742.9333

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 108.422 H2 C1 Cl4 112.970
H2 C1 I5 109.641 F3 C1 Cl4 112.181
F3 C1 I5 112.265 Cl4 C1 I5 101.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability