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All results from a given calculation for CH2FI (fluoroiodomethane)

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 CS 1A'
Energy calculated at MP2=FULL/3-21G
 hartrees
Energy at 0K-7025.791042
Energy at 298.15K 
HF Energy-7025.535067
Nuclear repulsion energy210.773345
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' 3156 3013 20.44 98.14 0.11 0.19
2 A' 1583 1512 2.67 18.16 0.73 0.84
3 A' 1373 1311 97.55 3.49 0.67 0.80
4 A' 1074 1026 125.84 6.93 0.75 0.85
5 A' 559 534 40.73 28.63 0.40 0.57
6 A' 257 245 0.56 7.83 0.55 0.71
7 A" 3232 3086 12.05 66.00 0.75 0.86
8 A" 1265 1208 1.31 13.14 0.75 0.86
9 A" 903 862 0.32 9.68 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6700.3 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 6397.5 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
1.21513 0.08954 0.08476

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.546 -1.526 0.000
F2 -0.615 -2.323 0.000
I3 0.000 0.631 0.000
H4 1.131 -1.698 0.901
H5 1.131 -1.698 -0.901

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.40872.22511.08731.0873
F21.40873.01772.06172.0617
I32.22513.01772.74112.7411
H41.08732.06172.74111.8011
H51.08732.06172.74111.8011

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.264 F2 C1 H4 110.718
F2 C1 H5 110.718 I3 C1 H4 106.572
I3 C1 H5 106.572 H4 C1 H5 111.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability