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

using model chemistry: B2PLYP/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 B2PLYP/3-21G
 hartrees
Energy at 0K-138.154196
Energy at 298.15K-138.155391
HF Energy-138.090012
Nuclear repulsion energy31.475210
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 B2PLYP/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' 3188 3188 6.53      
2 A' 1563 1563 6.31      
3 A' 1179 1179 55.15      
4 A' 488 488 59.86      
5 A" 3341 3341 23.76      
6 A" 1185 1185 5.90      

Unscaled Zero Point Vibrational Energy (zpe) 5471.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5471.4 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 B2PLYP/3-21G
ABC
9.01770 0.97378 0.88393

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.022 0.673 0.000
F2 0.022 -0.704 0.000
H3 -0.167 1.150 0.949
H4 -0.167 1.150 -0.949

Atom - Atom Distances (Å)
  C1 F2 H3 H4
C11.37681.07881.0788
F21.37682.09122.0912
H31.07882.09121.8976
H41.07882.09121.8976

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 116.249 F2 C1 H4 116.249
H3 C1 H4 123.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.090      
2 F -0.276      
3 H 0.183      
4 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.367 1.443 0.000 1.489
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.054 -0.373 0.000
y -0.373 -11.124 0.000
z 0.000 0.000 -10.420
Traceless
 xyz
x -1.282 -0.373 0.000
y -0.373 0.113 0.000
z 0.000 0.000 1.168
Polar
3z2-r22.336
x2-y2-0.930
xy-0.373
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.677 -0.098 0.000
y -0.098 1.794 0.000
z 0.000 0.000 1.550


<r2> (average value of r2) Å2
<r2> 18.680
(<r2>)1/2 4.322