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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-7482.547334
Energy at 298.15K 
HF Energy-7482.235508
Nuclear repulsion energy398.642682
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 3225 3079 4.91 89.32 0.27 0.42
2 A 1349 1288 24.46 8.24 0.75 0.86
3 A 1227 1172 109.14 8.16 0.74 0.85
4 A 1102 1052 129.29 4.49 0.62 0.77
5 A 667 636 182.94 13.10 0.60 0.75
6 A 570 544 25.46 13.95 0.23 0.38
7 A 347 331 2.85 8.18 0.33 0.49
8 A 265 253 0.16 5.33 0.63 0.77
9 A 180 172 0.52 8.85 0.57 0.72

Unscaled Zero Point Vibrational Energy (zpe) 4465.2 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 4263.4 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
0.19091 0.04497 0.03732

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 0.975 0.533 0.442
H2 1.092 0.636 1.515
F3 1.270 1.717 -0.221
Cl4 2.275 -0.776 -0.071
I5 -1.076 -0.115 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08431.38901.91462.1994
H21.08432.05322.43012.7593
F31.38902.05322.69232.9836
Cl41.91462.43012.69233.4159
I52.19942.75932.98363.4159

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.634 H2 C1 Cl4 104.843
H2 C1 I5 109.609 F3 C1 Cl4 108.115
F3 C1 I5 110.455 Cl4 C1 I5 112.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability