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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-138.274994
Energy at 298.15K-138.276070
HF Energy-138.274994
Nuclear repulsion energy31.606399
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 mPW1PW91/3-21G
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' 3187 3042 5.43      
2 A' 1543 1473 4.86      
3 A' 1201 1147 58.72      
4 A' 358 341 79.80      
5 A" 3344 3192 20.71      
6 A" 1174 1121 5.12      

Unscaled Zero Point Vibrational Energy (zpe) 5403.6 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 5158.3 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 mPW1PW91/3-21G
ABC
9.04088 0.98463 0.89097

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

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 -0.129 1.152 0.953
H4 -0.129 1.152 -0.953

Atom - Atom Distances (Å)
  C1 F2 H3 H4
C11.36811.07951.0795
F21.36812.08902.0890
H31.07952.08901.9068
H41.07952.08901.9068

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 116.688 F2 C1 H4 116.688
H3 C1 H4 124.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.140      
2 F -0.271      
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
  -0.300 1.438 0.000 1.469
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.081 -0.313 0.000
y -0.313 -11.010 0.000
z 0.000 0.000 -10.259
Traceless
 xyz
x -1.446 -0.313 0.000
y -0.313 0.160 0.000
z 0.000 0.000 1.286
Polar
3z2-r22.573
x2-y2-1.071
xy-0.313
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.687 -0.074 0.000
y -0.074 1.776 0.000
z 0.000 0.000 1.547


<r2> (average value of r2) Å2
<r2> 18.546
(<r2>)1/2 4.306