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

using model chemistry: BLYP/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 BLYP/6-31+G**
 hartrees
Energy at 0K-238.303461
Energy at 298.15K-238.304645
HF Energy-238.303461
Nuclear repulsion energy68.782905
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 BLYP/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' 3041 3025 20.86      
2 A' 1096 1090 91.91      
3 A' 966 961 4.59      
4 A' 509 506 3.50      
5 A" 1271 1264 34.97      
6 A" 1091 1085 286.90      

Unscaled Zero Point Vibrational Energy (zpe) 3987.0 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 3965.9 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 BLYP/6-31+G**
ABC
2.15978 0.35121 0.30695

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.031 0.522 0.000
H2 -0.751 1.295 0.000
F3 0.031 -0.246 1.119
F4 0.031 -0.246 -1.119

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.09951.35721.3572
H21.09952.05852.0585
F31.35722.05852.2375
F41.35722.05852.2375

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 113.429 H2 C1 F4 113.429
F3 C1 F4 111.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.325      
2 H 0.139      
3 F -0.232      
4 F -0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.804 1.255 0.000 1.491
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.793 -1.049 0.000
y -1.049 -15.307 0.000
z 0.000 0.000 -18.093
Traceless
 xyz
x 0.907 -1.049 0.000
y -1.049 1.636 0.000
z 0.000 0.000 -2.542
Polar
3z2-r2-5.084
x2-y2-0.486
xy-1.049
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.998 -0.151 0.000
y -0.151 2.405 0.000
z 0.000 0.000 2.767


<r2> (average value of r2) Å2
<r2> 37.760
(<r2>)1/2 6.145