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All results from a given calculation for CH2F (fluoromethyl radical)

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-138.308534
Energy at 298.15K-138.309600
HF Energy-138.308534
Nuclear repulsion energy31.516142
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 B3LYP/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' 3158 3038 5.86      
2 A' 1540 1482 5.10      
3 A' 1181 1137 55.93      
4 A' 354 340 78.55      
5 A" 3313 3187 23.80      
6 A" 1168 1123 5.48      

Unscaled Zero Point Vibrational Energy (zpe) 5357.4 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 5153.8 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 B3LYP/3-21G*
ABC
9.02603 0.97806 0.88549

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.017 0.670 0.000
F2 0.017 -0.703 0.000
H3 -0.130 1.156 0.954
H4 -0.130 1.156 -0.954

Atom - Atom Distances (Å)
  C1 F2 H3 H4
C11.37281.08081.0808
F21.37282.09462.0946
H31.08082.09461.9082
H41.08082.09461.9082

picture of fluoromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 H3 116.727 F2 C1 H4 116.727
H3 C1 H4 123.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.112      
2 F -0.256      
3 H 0.184      
4 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.298 1.343 0.000 1.375
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.063 -0.306 0.000
y -0.306 -11.040 0.000
z 0.000 0.000 -10.332
Traceless
 xyz
x -1.377 -0.306 0.000
y -0.306 0.157 0.000
z 0.000 0.000 1.220
Polar
3z2-r22.439
x2-y2-1.023
xy-0.306
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.687 -0.076 0.000
y -0.076 1.812 0.000
z 0.000 0.000 1.561


<r2> (average value of r2) Å2
<r2> 18.631
(<r2>)1/2 4.316