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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-149.820848
Energy at 298.15K 
HF Energy-149.589221
Nuclear repulsion energy54.151755
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/LANL2DZ
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' 3135 3019 29.98 126.88 0.09 0.16
2 A' 1471 1417 5.86 16.62 0.59 0.74
3 A' 1350 1300 69.00 3.97 0.63 0.78
4 A' 937 902 147.02 7.35 0.53 0.69
5 A' 559 538 35.13 25.41 0.35 0.52
6 A' 255 246 1.28 8.04 0.58 0.74
7 A" 3246 3126 10.18 61.69 0.75 0.86
8 A" 1197 1153 3.99 14.00 0.75 0.86
9 A" 890 857 2.22 9.68 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6519.9 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 6279.4 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/LANL2DZ
ABC
1.17502 0.09028 0.08527

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.566 -1.484 0.000
F2 -0.627 -2.327 0.000
I3 0.000 0.628 0.000
H4 1.123 -1.704 0.917
H5 1.123 -1.704 -0.917

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.46052.18641.09521.0952
F21.46053.02042.07152.0715
I32.18643.02042.74592.7459
H41.09522.07152.74591.8335
H51.09522.07152.74591.8335

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.239 F2 C1 H4 107.440
F2 C1 H5 107.440 I3 C1 H4 109.014
I3 C1 H5 109.014 H4 C1 H5 113.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability