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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-138.260578
Energy at 298.15K-138.261679
HF Energy-138.260578
Nuclear repulsion energy31.647520
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 B1B95/3-21G
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' 3182 3045 5.22      
2 A' 1541 1474 4.74      
3 A' 1203 1151 59.70      
4 A' 382 366 80.46      
5 A" 3342 3197 21.31      
6 A" 1173 1123 5.39      

Unscaled Zero Point Vibrational Energy (zpe) 5411.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5177.3 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 B1B95/3-21G
ABC
9.03206 0.98762 0.89389

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.019 0.667 0.000
F2 0.019 -0.700 0.000
H3 -0.140 1.148 0.952
H4 -0.140 1.148 -0.952

Atom - Atom Distances (Å)
  C1 F2 H3 H4
C11.36641.07871.0787
F21.36642.08452.0845
H31.07872.08451.9047
H41.07872.08451.9047

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 116.489 F2 C1 H4 116.489
H3 C1 H4 123.983
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.133      
2 F -0.268      
3 H 0.200      
4 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.331 1.402 0.000 1.441
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.061 -0.342 0.000
y -0.342 -11.012 0.000
z 0.000 0.000 -10.266
Traceless
 xyz
x -1.422 -0.342 0.000
y -0.342 0.151 0.000
z 0.000 0.000 1.270
Polar
3z2-r22.541
x2-y2-1.049
xy-0.342
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.690 -0.080 0.000
y -0.080 1.787 0.000
z 0.000 0.000 1.556


<r2> (average value of r2) Å2
<r2> 18.507
(<r2>)1/2 4.302