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

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G
 hartrees
Energy at 0K-138.163773
Energy at 298.15K-138.164842
HF Energy-138.163773
Nuclear repulsion energy31.607724
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/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' 3180 3055 5.26      
2 A' 1540 1479 4.85      
3 A' 1206 1158 58.17      
4 A' 352 338 80.74      
5 A" 3337 3205 20.40      
6 A" 1172 1125 5.04      

Unscaled Zero Point Vibrational Energy (zpe) 5393.4 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 5179.8 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 PBE1PBE/3-21G
ABC
9.02445 0.98525 0.89126

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.017 0.667 0.000
F2 0.017 -0.701 0.000
H3 -0.128 1.153 0.954
H4 -0.128 1.153 -0.954

Atom - Atom Distances (Å)
  C1 F2 H3 H4
C11.36741.08091.0809
F21.36742.08992.0899
H31.08092.08991.9089
H41.08092.08991.9089

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 116.735 F2 C1 H4 116.735
H3 C1 H4 124.020
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 F -0.268      
3 H 0.205      
4 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.298 1.415 0.000 1.446
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.114 -0.311 0.000
y -0.311 -11.028 0.000
z 0.000 0.000 -10.286
Traceless
 xyz
x -1.457 -0.311 0.000
y -0.311 0.172 0.000
z 0.000 0.000 1.285
Polar
3z2-r22.570
x2-y2-1.086
xy-0.311
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.688 -0.073 0.000
y -0.073 1.783 0.000
z 0.000 0.000 1.554


<r2> (average value of r2) Å2
<r2> 18.563
(<r2>)1/2 4.308