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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: PBE1PBE/cc-pVTZ-PP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/cc-pVTZ-PP
 hartrees
Energy at 0K-434.771924
Energy at 298.15K 
HF Energy-434.771924
Nuclear repulsion energy119.625656
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 PBE1PBE/cc-pVTZ-PP
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' 3105 3105 10.18 116.98 0.08 0.15
2 A' 1488 1488 0.70 7.05 0.73 0.85
3 A' 1295 1295 51.71 3.57 0.13 0.22
4 A' 1118 1118 219.26 3.17 0.52 0.68
5 A' 582 582 43.06 24.66 0.21 0.35
6 A' 271 271 0.24 5.07 0.35 0.51
7 A" 3192 3192 2.09 57.61 0.75 0.86
8 A" 1250 1250 2.23 2.98 0.75 0.86
9 A" 870 870 0.65 1.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6585.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6585.2 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 PBE1PBE/cc-pVTZ-PP
ABC
1.30991 0.09546 0.09056

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ-PP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.519 -1.476 0.000
F2 -0.589 -2.249 0.000
I3 0.000 0.611 0.000
H4 1.095 -1.648 0.905
H5 1.095 -1.648 -0.905

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.35072.15101.08711.0871
F21.35072.92052.00452.0045
I32.15102.92052.66912.6691
H41.08712.00452.66911.8106
H51.08712.00452.66911.8106

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.956 F2 C1 H4 110.162
F2 C1 H5 110.162 I3 C1 H4 106.336
I3 C1 H5 106.336 H4 C1 H5 112.773
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.060      
2 F -0.176      
3 I -0.064      
4 H 0.090      
5 H 0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.502 -0.616 0.000 1.624
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.173 -3.779 0.000
y -3.779 -37.476 0.000
z 0.000 0.000 -38.178
Traceless
 xyz
x -0.346 -3.779 0.000
y -3.779 0.700 0.000
z 0.000 0.000 -0.354
Polar
3z2-r2-0.708
x2-y2-0.697
xy-3.779
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.506 -0.506 0.000
y -0.506 8.306 0.000
z 0.000 0.000 5.277


<r2> (average value of r2) Å2
<r2> 105.855
(<r2>)1/2 10.289