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

using model chemistry: ROHF/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at ROHF/6-31G*
 hartrees
Energy at 0K-237.263135
Energy at 298.15K-237.264449
HF Energy-237.263135
Nuclear repulsion energy70.977259
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 ROHF/6-31G*
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' 3364 2995 42.51 76.72 0.24 0.38
2 A' 1288 1147 116.32 3.91 0.10 0.18
3 A' 1167 1039 22.03 4.22 0.69 0.81
4 A' 584 520 7.49 1.03 0.74 0.85
5 A" 1504 1340 114.81 3.48 0.75 0.86
6 A" 1322 1177 208.45 5.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4615.0 cm-1
Scaled (by 0.8904) Zero Point Vibrational Energy (zpe) 4109.2 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 ROHF/6-31G*
ABC
2.29298 0.37449 0.32701

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.504 0.000
H2 -0.724 1.271 0.000
F3 0.030 -0.239 1.084
F4 0.030 -0.239 -1.084

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.07581.31391.3139
H21.07582.00592.0059
F31.31392.00592.1670
F41.31392.00592.1670

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 113.782 H2 C1 F4 113.782
F3 C1 F4 111.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.504      
2 H 0.160      
3 F -0.332      
4 F -0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.566 1.478 0.000 1.583
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.807 -0.722 0.000
y -0.722 -14.271 0.000
z 0.000 0.000 -17.462
Traceless
 xyz
x 1.060 -0.722 0.000
y -0.722 1.863 0.000
z 0.000 0.000 -2.923
Polar
3z2-r2-5.846
x2-y2-0.536
xy-0.722
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 35.537
(<r2>)1/2 5.961