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

using model chemistry: PBEPBE/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-238.180677
Energy at 298.15K-238.181888
HF Energy-238.180677
Nuclear repulsion energy69.611838
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/aug-cc-pVTZ
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' 3027 3007 20.13      
2 A' 1131 1124 85.08      
3 A' 948 942 5.33      
4 A' 529 526 3.11      
5 A" 1271 1262 43.16      
6 A" 1134 1127 251.19      

Unscaled Zero Point Vibrational Energy (zpe) 4019.9 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 3993.8 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/aug-cc-pVTZ
ABC
2.20902 0.36003 0.31437

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.031 0.513 0.000
H2 -0.732 1.303 0.000
F3 0.031 -0.243 1.105
F4 0.031 -0.243 -1.105

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.09801.33921.3392
H21.09802.04792.0479
F31.33922.04792.2103
F41.33922.04792.2103

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 113.971 H2 C1 F4 113.971
F3 C1 F4 111.227
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.122      
2 H 0.326      
3 F -0.224      
4 F -0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.745 1.042 0.000 1.281
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.751 -1.039 0.000
y -1.039 -15.279 0.000
z 0.000 0.000 -17.630
Traceless
 xyz
x 0.703 -1.039 0.000
y -1.039 1.412 0.000
z 0.000 0.000 -2.115
Polar
3z2-r2-4.229
x2-y2-0.473
xy-1.039
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.444 -0.114 0.000
y -0.114 2.746 0.000
z 0.000 0.000 2.996


<r2> (average value of r2) Å2
<r2> 37.016
(<r2>)1/2 6.084