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

using model chemistry: ROHF/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 ROHF/TZVP
 hartrees
Energy at 0K-237.363024
Energy at 298.15K-237.364352
HF Energy-237.363024
Nuclear repulsion energy71.289160
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/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' 3322 3322 27.86 77.53 0.23 0.38
2 A' 1283 1283 137.23 3.48 0.19 0.32
3 A' 1147 1147 17.56 2.39 0.64 0.78
4 A' 602 602 8.46 1.18 0.72 0.84
5 A" 1484 1484 96.35 2.93 0.75 0.86
6 A" 1313 1313 263.77 4.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4575.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4575.3 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/TZVP
ABC
2.30305 0.37846 0.33007

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.502 0.000
H2 -0.714 1.279 0.000
F3 0.030 -0.238 1.078
F4 0.030 -0.238 -1.078

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.07581.30771.3077
H21.07582.00452.0045
F31.30772.00452.1558
F41.30772.00452.1558

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 114.139 H2 C1 F4 114.139
F3 C1 F4 111.029
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.394      
2 H 0.078      
3 F -0.236      
4 F -0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.647 1.575 0.000 1.703
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.032 -0.849 0.000
y -0.849 -14.621 0.000
z 0.000 0.000 -18.086
Traceless
 xyz
x 1.322 -0.849 0.000
y -0.849 1.938 0.000
z 0.000 0.000 -3.259
Polar
3z2-r2-6.519
x2-y2-0.410
xy-0.849
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> 35.555
(<r2>)1/2 5.963