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

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-238.087511
Energy at 298.15K-238.088724
HF Energy-238.087511
Nuclear repulsion energy69.342104
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3000 2983 38.06      
2 A' 1137 1131 80.40      
3 A' 953 947 9.34      
4 A' 527 524 3.10      
5 A" 1284 1277 88.40      
6 A" 1148 1142 176.10      

Unscaled Zero Point Vibrational Energy (zpe) 4024.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 4001.6 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/cc-pVDZ
ABC
2.19715 0.35696 0.31199

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.031 0.513 0.000
H2 -0.748 1.306 0.000
F3 0.031 -0.244 1.110
F4 0.031 -0.244 -1.110

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.11151.34321.3432
H21.11152.05912.0591
F31.34322.05912.2194
F41.34322.05912.2194

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 113.694 H2 C1 F4 113.694
F3 C1 F4 111.410
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.202      
2 H 0.046      
3 F -0.124      
4 F -0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.687 0.922 0.000 1.150
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.210 -0.859 0.000
y -0.859 -14.637 0.000
z 0.000 0.000 -16.794
Traceless
 xyz
x 0.506 -0.859 0.000
y -0.859 1.365 0.000
z 0.000 0.000 -1.871
Polar
3z2-r2-3.741
x2-y2-0.573
xy-0.859
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.466 -0.303 0.000
y -0.303 1.841 0.000
z 0.000 0.000 2.136


<r2> (average value of r2) Å2
<r2> 36.814
(<r2>)1/2 6.067