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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: MP2=FULL/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=FULL/3-21G*
 hartrees
Energy at 0K-7482.907571
Energy at 298.15K 
HF Energy-7482.416001
Nuclear repulsion energy406.874470
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=FULL/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 3204 3037 2.22 75.15 0.28 0.44
2 A 1363 1292 12.44 7.61 0.75 0.86
3 A 1263 1197 102.99 6.40 0.52 0.68
4 A 1086 1030 103.17 3.16 0.67 0.80
5 A 725 688 190.89 5.74 0.74 0.85
6 A 597 566 47.67 15.29 0.18 0.30
7 A 390 369 1.14 4.57 0.31 0.47
8 A 258 245 0.21 4.47 0.44 0.61
9 A 195 184 0.05 5.69 0.48 0.65

Unscaled Zero Point Vibrational Energy (zpe) 4539.9 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 4303.9 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=FULL/3-21G*
ABC
0.19919 0.04715 0.03912

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.017 0.477 0.437
H2 1.089 0.594 1.514
F3 1.310 1.676 -0.214
Cl4 2.179 -0.780 -0.075
I5 -1.057 -0.100 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08591.39611.78612.1998
H21.08592.05172.36652.7258
F31.39612.05172.60902.9651
Cl41.78612.36652.60903.3066
I52.19982.72582.96513.3066

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.885 H2 C1 Cl4 108.502
H2 C1 I5 107.185 F3 C1 Cl4 109.533
F3 C1 I5 109.033 Cl4 C1 I5 111.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability