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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-435.175400
Energy at 298.15K 
HF Energy-435.175400
Nuclear repulsion energy120.461656
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 HF/Def2TZVPP
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' 3264 2959 17.02 120.09 0.09 0.16
2 A' 1624 1472 0.48 6.85 0.67 0.80
3 A' 1428 1295 99.39 9.51 0.20 0.33
4 A' 1193 1082 260.77 5.91 0.57 0.73
5 A' 616 559 55.95 37.70 0.27 0.42
6 A' 293 265 0.40 5.83 0.35 0.52
7 A" 3348 3035 3.42 62.23 0.75 0.86
8 A" 1365 1237 4.49 2.76 0.75 0.86
9 A" 949 860 0.39 1.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7040.1 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 6381.2 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 HF/Def2TZVPP
ABC
1.32821 0.09675 0.09176

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.516 -1.471 0.000
F2 -0.585 -2.231 0.000
I3 0.000 0.608 0.000
H4 1.086 -1.654 0.893
H5 1.086 -1.654 -0.893

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.33762.14191.07461.0746
F21.33762.89791.98021.9802
I32.14192.89792.66242.6624
H41.07461.98022.66241.7856
H51.07461.98022.66241.7856

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.654 F2 C1 H4 109.876
F2 C1 H5 109.876 I3 C1 H4 107.001
I3 C1 H5 107.001 H4 C1 H5 112.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.116      
2 F -0.252      
3 I -0.073      
4 H 0.105      
5 H 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.719 -0.619 0.000 1.827
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.448 -4.302 0.000
y -4.302 -37.915 0.000
z 0.000 0.000 -38.297
Traceless
 xyz
x -0.342 -4.302 0.000
y -4.302 0.457 0.000
z 0.000 0.000 -0.115
Polar
3z2-r2-0.231
x2-y2-0.532
xy-4.302
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.290 -0.622 0.000
y -0.622 8.175 0.000
z 0.000 0.000 5.036


<r2> (average value of r2) Å2
<r2> 104.965
(<r2>)1/2 10.245