return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYPultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at B3LYPultrafine/6-31+G**
 hartrees
Energy at 0K-139.083176
Energy at 298.15K-139.084412
HF Energy-139.083176
Nuclear repulsion energy31.935015
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 B3LYPultrafine/6-31+G**
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' 3150 3032 12.25      
2 A' 1465 1410 6.13      
3 A' 1164 1121 132.72      
4 A' 555 534 54.65      
5 A" 3310 3187 8.33      
6 A" 1167 1124 7.48      

Unscaled Zero Point Vibrational Energy (zpe) 5405.3 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 5203.7 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 B3LYPultrafine/6-31+G**
ABC
8.69480 1.01595 0.91743

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.027 0.663 0.000
F2 0.027 -0.688 0.000
H3 -0.199 1.110 0.961
H4 -0.199 1.110 -0.961

Atom - Atom Distances (Å)
  C1 F2 H3 H4
C11.35081.08351.0835
F21.35082.05102.0510
H31.08352.05101.9214
H41.08352.05101.9214

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 114.372 F2 C1 H4 114.372
H3 C1 H4 124.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.039      
2 F -0.248      
3 H 0.143      
4 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.444 1.453 0.000 1.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.730 -0.485 0.000
y -0.485 -11.743 0.000
z 0.000 0.000 -10.677
Traceless
 xyz
x -1.520 -0.485 0.000
y -0.485 -0.040 0.000
z 0.000 0.000 1.560
Polar
3z2-r23.120
x2-y2-0.987
xy-0.485
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.794 -0.057 0.000
y -0.057 2.264 0.000
z 0.000 0.000 1.954


<r2> (average value of r2) Å2
<r2> 18.614
(<r2>)1/2 4.314