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

using model chemistry: ROHF/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 ROHF/cc-pVTZ
 hartrees
Energy at 0K-237.361378
Energy at 298.15K-237.362707
HF Energy-237.361378
Nuclear repulsion energy71.386762
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/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' 3299 2972 31.68 79.55 0.21 0.35
2 A' 1287 1159 121.84 3.22 0.18 0.31
3 A' 1143 1030 15.01 1.76 0.64 0.78
4 A' 601 541 6.93 0.94 0.69 0.81
5 A" 1476 1330 89.26 1.80 0.75 0.86
6 A" 1315 1185 243.14 3.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4560.1 cm-1
Scaled (by 0.901) Zero Point Vibrational Energy (zpe) 4108.6 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/cc-pVTZ
ABC
2.30515 0.37977 0.33113

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.502 0.000
H2 -0.716 1.278 0.000
F3 0.030 -0.238 1.076
F4 0.030 -0.238 -1.076

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.07621.30591.3059
H21.07622.00302.0030
F31.30592.00302.1520
F41.30592.00302.1520

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 114.117 H2 C1 F4 114.117
F3 C1 F4 110.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.351      
2 H 0.077      
3 F -0.214      
4 F -0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.629 1.429 0.000 1.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.993 -0.839 0.000
y -0.839 -14.517 0.000
z 0.000 0.000 -17.635
Traceless
 xyz
x 1.083 -0.839 0.000
y -0.839 1.798 0.000
z 0.000 0.000 -2.880
Polar
3z2-r2-5.761
x2-y2-0.477
xy-0.839
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> 35.355
(<r2>)1/2 5.946