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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: MP2/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-55.977029
Energy at 298.15K 
HF Energy-55.730330
Nuclear repulsion energy57.472373
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/CEP-31G
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 3201 3093 9.61 110.25 0.22 0.36
2 A 1276 1233 26.29 12.97 0.71 0.83
3 A 1234 1192 91.00 11.16 0.74 0.85
4 A 935 903 160.03 4.70 0.57 0.73
5 A 725 700 159.83 10.19 0.50 0.66
6 A 576 557 34.25 15.31 0.33 0.50
7 A 370 358 1.53 8.00 0.43 0.60
8 A 260 252 1.03 6.14 0.64 0.78
9 A 190 184 0.10 11.57 0.61 0.76

Unscaled Zero Point Vibrational Energy (zpe) 4382.7 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 4235.0 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/CEP-31G
ABC
0.19173 0.04530 0.03760

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.976 0.471 0.449
H2 1.081 0.645 1.533
F3 1.269 1.728 -0.216
Cl4 2.264 -0.769 -0.075
I5 -1.072 -0.112 -0.019

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.10211.45171.86292.1811
H21.10212.06502.44612.7605
F31.45172.06502.69132.9843
Cl41.86292.44612.69133.4006
I52.18112.76052.98433.4006

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 107.122 H2 C1 Cl4 108.431
H2 C1 I5 110.052 F3 C1 Cl4 107.935
F3 C1 I5 108.806 Cl4 C1 I5 114.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability