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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-7029.407787
Energy at 298.15K 
HF Energy-7029.407787
Nuclear repulsion energy213.986456
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 mPW1PW91/3-21G*
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' 3126 2969 12.65 98.52 0.10 0.19
2 A' 1549 1471 0.33 13.90 0.73 0.85
3 A' 1339 1271 65.09 2.71 0.56 0.72
4 A' 1098 1042 131.12 2.71 0.74 0.85
5 A' 574 545 46.43 24.73 0.26 0.41
6 A' 257 244 0.38 5.19 0.44 0.61
7 A" 3205 3044 5.95 64.53 0.75 0.86
8 A" 1248 1185 0.81 8.67 0.75 0.86
9 A" 894 849 1.29 4.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6645.1 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 6310.2 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 mPW1PW91/3-21G*
ABC
1.25013 0.09227 0.08739

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.535 -1.496 0.000
F2 -0.606 -2.293 0.000
I3 0.000 0.621 0.000
H4 1.123 -1.658 0.902
H5 1.123 -1.658 -0.902

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.39102.18401.08861.0886
F21.39102.97622.05052.0505
I32.18402.97622.69572.6957
H41.08862.05052.69571.8036
H51.08862.05052.69571.8036

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 110.752 F2 C1 H4 110.982
F2 C1 H5 110.982 I3 C1 H4 106.018
I3 C1 H5 106.018 H4 C1 H5 111.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.245      
2 F -0.277      
3 I 0.010      
4 H 0.256      
5 H 0.256      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.722 -0.506 0.000 1.795
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.246 -4.306 0.000
y -4.306 -38.710 0.000
z 0.000 0.000 -39.411
Traceless
 xyz
x -0.186 -4.306 0.000
y -4.306 0.618 0.000
z 0.000 0.000 -0.433
Polar
3z2-r2-0.865
x2-y2-0.536
xy-4.306
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.519 -0.501 0.000
y -0.501 7.280 0.000
z 0.000 0.000 4.279


<r2> (average value of r2) Å2
<r2> 120.290
(<r2>)1/2 10.968