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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-7482.529124
Energy at 298.15K 
HF Energy-7482.235485
Nuclear repulsion energy398.526083
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 MP2/3-21G
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 3224 3077 4.93 89.43 0.27 0.42
2 A 1349 1287 24.43 8.24 0.75 0.86
3 A 1228 1172 109.63 8.16 0.74 0.85
4 A 1102 1051 129.63 4.49 0.62 0.77
5 A 666 636 183.49 13.07 0.60 0.75
6 A 570 544 25.73 13.95 0.23 0.38
7 A 347 332 2.85 8.17 0.33 0.49
8 A 265 253 0.17 5.35 0.63 0.77
9 A 180 172 0.51 8.87 0.57 0.72

Unscaled Zero Point Vibrational Energy (zpe) 4464.8 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 4261.7 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 MP2/3-21G
ABC
0.19090 0.04494 0.03730

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.976 0.533 0.442
H2 1.093 0.635 1.515
F3 1.271 1.717 -0.221
Cl4 2.275 -0.776 -0.071
I5 -1.077 -0.115 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08451.38911.91412.2008
H21.08452.05342.43012.7602
F31.38912.05342.69222.9848
Cl41.91412.43012.69223.4168
I52.20082.76022.98483.4168

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.638 H2 C1 Cl4 104.874
H2 C1 I5 109.570 F3 C1 Cl4 108.128
F3 C1 I5 110.445 Cl4 C1 I5 112.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability