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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-138.153941
Energy at 298.15K-138.154913
HF Energy-138.153941
Nuclear repulsion energy31.336301
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 PBEPBEultrafine/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' 3084 3056 6.16      
2 A' 1500 1486 3.53      
3 A' 1164 1153 47.13      
4 A' 277 274 90.96      
5 A" 3236 3206 27.13      
6 A" 1137 1127 3.60      

Unscaled Zero Point Vibrational Energy (zpe) 5198.6 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 5151.3 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 PBEPBEultrafine/3-21G
ABC
8.91649 0.96783 0.87521

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.015 0.672 0.000
F2 0.015 -0.707 0.000
H3 -0.110 1.168 0.962
H4 -0.110 1.168 -0.962

Atom - Atom Distances (Å)
  C1 F2 H3 H4
C11.37901.08981.0898
F21.37902.11102.1110
H31.08982.11101.9249
H41.08982.11101.9249

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 117.062 F2 C1 H4 117.062
H3 C1 H4 124.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.165      
2 F -0.220      
3 H 0.192      
4 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.259 1.174 0.000 1.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.193 -0.274 0.000
y -0.274 -10.990 0.000
z 0.000 0.000 -10.358
Traceless
 xyz
x -1.520 -0.274 0.000
y -0.274 0.286 0.000
z 0.000 0.000 1.233
Polar
3z2-r22.467
x2-y2-1.204
xy-0.274
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.705 -0.064 0.000
y -0.064 1.897 0.000
z 0.000 0.000 1.606


<r2> (average value of r2) Å2
<r2> 18.798
(<r2>)1/2 4.336