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

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-238.411445
Energy at 298.15K-238.412691
HF Energy-238.411445
Nuclear repulsion energy70.123416
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 B3LYP/cc-pVTZ
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' 3107 3003 25.69      
2 A' 1173 1134 90.28      
3 A' 992 959 8.53      
4 A' 547 529 3.94      
5 A" 1334 1290 56.00      
6 A" 1183 1143 232.36      

Unscaled Zero Point Vibrational Energy (zpe) 4168.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 4028.9 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 B3LYP/cc-pVTZ
ABC
2.24700 0.36501 0.31875

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.508 0.000
H2 -0.719 1.298 0.000
F3 0.030 -0.241 1.098
F4 0.030 -0.241 -1.098

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.08841.32921.3292
H21.08842.03352.0335
F31.32922.03352.1954
F41.32922.03352.1954

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 114.155 H2 C1 F4 114.155
F3 C1 F4 111.353
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.251      
2 H 0.061      
3 F -0.156      
4 F -0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.701 1.130 0.000 1.330
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.378 -0.910 0.000
y -0.910 -14.807 0.000
z 0.000 0.000 -17.378
Traceless
 xyz
x 0.714 -0.910 0.000
y -0.910 1.571 0.000
z 0.000 0.000 -2.285
Polar
3z2-r2-4.570
x2-y2-0.571
xy-0.910
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.748 -0.213 0.000
y -0.213 2.095 0.000
z 0.000 0.000 2.354


<r2> (average value of r2) Å2
<r2> 36.412
(<r2>)1/2 6.034