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

using model chemistry: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-238.179574
Energy at 298.15K-238.180790
HF Energy-238.179574
Nuclear repulsion energy69.513484
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 PBEPBE/TZVP
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' 3028 2994 26.71      
2 A' 1130 1118 92.79      
3 A' 965 954 6.86      
4 A' 531 525 3.61      
5 A" 1288 1273 50.60      
6 A" 1134 1122 255.35      

Unscaled Zero Point Vibrational Energy (zpe) 4037.8 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 3992.6 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 PBEPBE/TZVP
ABC
2.21562 0.35822 0.31315

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.031 0.512 0.000
H2 -0.734 1.301 0.000
F3 0.031 -0.243 1.108
F4 0.031 -0.243 -1.108

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.09921.34061.3406
H21.09922.04872.0487
F31.34062.04872.2159
F41.34062.04872.2159

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 113.849 H2 C1 F4 113.849
F3 C1 F4 111.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.166      
2 H 0.109      
3 F -0.138      
4 F -0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.781 1.106 0.000 1.354
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.634 -1.010 0.000
y -1.010 -15.115 0.000
z 0.000 0.000 -17.706
Traceless
 xyz
x 0.777 -1.010 0.000
y -1.010 1.555 0.000
z 0.000 0.000 -2.332
Polar
3z2-r2-4.663
x2-y2-0.519
xy-1.010
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.749 -0.204 0.000
y -0.204 2.192 0.000
z 0.000 0.000 2.463


<r2> (average value of r2) Å2
<r2> 37.072
(<r2>)1/2 6.089