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All results from a given calculation for CH2FI (fluoroiodomethane)

using model chemistry: B1B95/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 B1B95/STO-3G
 hartrees
Energy at 0K-6990.925145
Energy at 298.15K 
HF Energy-6990.925145
Nuclear repulsion energy212.772445
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 B1B95/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' 3283 2899 5.44 45.10 0.16 0.27
2 A' 1644 1452 0.07 14.03 0.73 0.84
3 A' 1403 1239 75.42 3.16 0.72 0.84
4 A' 1240 1095 74.57 3.67 0.75 0.86
5 A' 631 557 33.60 18.61 0.32 0.49
6 A' 299 264 1.90 4.91 0.53 0.69
7 A" 3396 2999 4.41 36.68 0.75 0.86
8 A" 1312 1159 3.19 9.11 0.75 0.86
9 A" 936 826 0.62 4.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7071.5 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 6244.1 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 B1B95/STO-3G
ABC
1.31244 0.09007 0.08569

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.508 -1.494 0.000
F2 -0.590 -2.332 0.000
I3 0.000 0.628 0.000
H4 1.133 -1.663 0.904
H5 1.133 -1.663 -0.904

Atom - Atom Distances (Å)
  C1 F2 I3 H4 H5
C11.38152.18141.11241.1124
F21.38153.01842.05802.0580
I32.18143.01842.71122.7112
H41.11242.05802.71121.8082
H51.11242.05802.71121.8082

picture of fluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 I3 113.917 F2 C1 H4 110.756
F2 C1 H5 110.756 I3 C1 H4 106.205
I3 C1 H5 106.205 H4 C1 H5 108.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.098      
2 F -0.069      
3 I -0.032      
4 H 0.100      
5 H 0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.099 -1.462 0.000 1.829
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.337 -2.083 0.000
y -2.083 -36.088 0.000
z 0.000 0.000 -36.444
Traceless
 xyz
x -0.071 -2.083 0.000
y -2.083 0.302 0.000
z 0.000 0.000 -0.231
Polar
3z2-r2-0.462
x2-y2-0.249
xy-2.083
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.278 -0.433 0.000
y -0.433 4.373 0.000
z 0.000 0.000 1.000


<r2> (average value of r2) Å2
<r2> 120.316
(<r2>)1/2 10.969