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

using model chemistry: LSDA/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 LSDA/6-31G*
 hartrees
Energy at 0K-237.175603
Energy at 298.15K-237.176831
HF Energy-237.175603
Nuclear repulsion energy70.398469
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 LSDA/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' 3025 2969 37.94      
2 A' 1211 1188 72.08      
3 A' 959 941 15.38      
4 A' 536 526 2.91      
5 A" 1354 1328 143.62      
6 A" 1211 1188 102.18      

Unscaled Zero Point Vibrational Energy (zpe) 4147.6 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 4070.1 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 LSDA/6-31G*
ABC
2.26643 0.36788 0.32145

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.502 0.000
H2 -0.731 1.303 0.000
F3 0.030 -0.240 1.093
F4 0.030 -0.240 -1.093

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.10481.32151.3215
H21.10482.03842.0384
F31.32152.03842.1865
F41.32152.03842.1865

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 114.011 H2 C1 F4 114.011
F3 C1 F4 111.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.194      
2 H 0.154      
3 F -0.174      
4 F -0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.698 0.825 0.000 1.081
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.112 -0.895 0.000
y -0.895 -14.574 0.000
z 0.000 0.000 -16.506
Traceless
 xyz
x 0.428 -0.895 0.000
y -0.895 1.235 0.000
z 0.000 0.000 -1.663
Polar
3z2-r2-3.326
x2-y2-0.537
xy-0.895
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.472 -0.308 0.000
y -0.308 1.871 0.000
z 0.000 0.000 2.101


<r2> (average value of r2) Å2
<r2> 35.935
(<r2>)1/2 5.995