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

using model chemistry: ROHF/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-237.382368
Energy at 298.15K-237.383695
HF Energy-237.382368
Nuclear repulsion energy71.464361
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/aug-cc-pVQZ
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' 3301 3301 26.12 79.01 0.18 0.30
2 A' 1281 1281 122.87 4.32 0.23 0.37
3 A' 1139 1139 12.29 0.68 0.73 0.85
4 A' 603 603 6.72 0.70 0.65 0.79
5 A" 1472 1472 78.24 1.18 0.75 0.86
6 A" 1309 1309 256.33 3.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4552.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4552.6 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 ROHF/aug-cc-pVQZ
ABC
2.30683 0.38081 0.33191

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.501 0.000
H2 -0.713 1.280 0.000
F3 0.030 -0.238 1.075
F4 0.030 -0.238 -1.075

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.07551.30451.3045
H21.07552.00242.0024
F31.30452.00242.1491
F41.30452.00242.1491

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 114.216 H2 C1 F4 114.216
F3 C1 F4 110.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.605      
2 H 0.374      
3 F -0.489      
4 F -0.489      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.652 1.428 0.000 1.569
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.085 -0.909 0.000
y -0.909 -14.672 0.000
z 0.000 0.000 -17.774
Traceless
 xyz
x 1.138 -0.909 0.000
y -0.909 1.757 0.000
z 0.000 0.000 -2.895
Polar
3z2-r2-5.791
x2-y2-0.412
xy-0.909
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> 35.376
(<r2>)1/2 5.948