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

using model chemistry: mPW1PW91/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 mPW1PW91/TZVP
 hartrees
Energy at 0K-238.356356
Energy at 298.15K-238.357619
HF Energy-238.356356
Nuclear repulsion energy70.434107
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 mPW1PW91/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' 3148 3003 24.07      
2 A' 1198 1143 105.74      
3 A' 1009 962 9.40      
4 A' 558 533 5.09      
5 A" 1360 1297 80.95      
6 A" 1213 1158 244.40      

Unscaled Zero Point Vibrational Energy (zpe) 4243.0 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 4047.8 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 mPW1PW91/TZVP
ABC
2.26979 0.36812 0.32149

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.504 0.000
H2 -0.714 1.298 0.000
F3 0.030 -0.240 1.093
F4 0.030 -0.240 -1.093

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.08831.32251.3225
H21.08832.02872.0287
F31.32252.02872.1862
F41.32252.02872.1862

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 114.253 H2 C1 F4 114.253
F3 C1 F4 111.493
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.224      
2 H 0.105      
3 F -0.165      
4 F -0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.740 1.243 0.000 1.447
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.349 -0.967 0.000
y -0.967 -14.837 0.000
z 0.000 0.000 -17.697
Traceless
 xyz
x 0.918 -0.967 0.000
y -0.967 1.686 0.000
z 0.000 0.000 -2.604
Polar
3z2-r2-5.209
x2-y2-0.512
xy-0.967
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.620 -0.183 0.000
y -0.183 2.027 0.000
z 0.000 0.000 2.240


<r2> (average value of r2) Å2
<r2> 36.258
(<r2>)1/2 6.021