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All results from a given calculation for CHF2 (difluoromethyl radical)

using model chemistry: ROHF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at ROHF/6-311G*
 hartrees
Energy at 0K-237.329145
Energy at 298.15K-237.330469
HF Energy-237.329145
Nuclear repulsion energy71.234969
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 ROHF/6-311G*
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' 3349 2865 38.82 75.65 0.25 0.40
2 A' 1281 1096 133.01 3.02 0.16 0.28
3 A' 1162 994 22.20 2.74 0.63 0.77
4 A' 597 511 8.06 1.19 0.73 0.84
5 A" 1496 1280 96.86 3.36 0.75 0.86
6 A" 1311 1121 259.52 4.50 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4597.5 cm-1
Scaled (by 0.8556) Zero Point Vibrational Energy (zpe) 3933.6 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 ROHF/6-311G*
ABC
2.31060 0.37717 0.32946

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.502 0.000
H2 -0.727 1.266 0.000
F3 0.030 -0.238 1.080
F4 0.030 -0.238 -1.080

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.07561.30881.3088
H21.07561.99991.9999
F31.30881.99992.1591
F41.30881.99992.1591

picture of difluoromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 113.655 H2 C1 F4 113.655
F3 C1 F4 111.151
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.318      
2 H 0.201      
3 F -0.259      
4 F -0.259      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.638 1.531 0.000 1.659
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.906 -0.826 0.000
y -0.826 -14.474 0.000
z 0.000 0.000 -17.860
Traceless
 xyz
x 1.260 -0.826 0.000
y -0.826 1.910 0.000
z 0.000 0.000 -3.170
Polar
3z2-r2-6.339
x2-y2-0.433
xy-0.826
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 35.496
(<r2>)1/2 5.958