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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: PBE1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-6989.654347
Energy at 298.15K 
HF Energy-6989.654347
Nuclear repulsion energy212.702060
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/STO-3G
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' 3295 2907 5.52 44.07 0.16 0.27
2 A' 1652 1457 0.07 13.69 0.73 0.84
3 A' 1410 1244 75.48 3.09 0.72 0.84
4 A' 1246 1099 74.28 3.54 0.75 0.85
5 A' 633 558 33.89 18.49 0.32 0.49
6 A' 301 265 1.91 4.85 0.53 0.70
7 A" 3409 3007 4.50 36.07 0.75 0.86
8 A" 1318 1162 3.12 8.92 0.75 0.86
9 A" 943 831 0.59 4.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7102.7 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 6265.3 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/STO-3G
ABC
1.30873 0.09006 0.08568

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.509 -1.495 0.000
F2 -0.591 -2.331 0.000
I3 0.000 0.628 0.000
H4 1.134 -1.665 0.905
H5 1.134 -1.665 -0.905

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.38132.18341.11301.1130
F21.38133.01772.05872.0587
I32.18343.01772.71352.7135
H41.11302.05872.71351.8097
H51.11302.05872.71351.8097

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 113.775 F2 C1 H4 110.795
F2 C1 H5 110.795 I3 C1 H4 106.217
I3 C1 H5 106.217 H4 C1 H5 108.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.104      
2 F -0.064      
3 I -0.034      
4 H 0.101      
5 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.091 -1.490 0.000 1.847
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.325 -2.064 0.000
y -2.064 -36.016 0.000
z 0.000 0.000 -36.439
Traceless
 xyz
x -0.097 -2.064 0.000
y -2.064 0.366 0.000
z 0.000 0.000 -0.269
Polar
3z2-r2-0.538
x2-y2-0.308
xy-2.064
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.270 -0.428 0.000
y -0.428 4.351 0.000
z 0.000 0.000 0.989


<r2> (average value of r2) Å2
<r2> 120.329
(<r2>)1/2 10.969