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

using model chemistry: ROHF/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-237.277807
Energy at 298.15K-237.279125
HF Energy-237.277807
Nuclear repulsion energy70.963483
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-pVDZ
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' 3335 2870 32.75 83.39 0.23 0.37
2 A' 1271 1094 131.42 3.29 0.16 0.28
3 A' 1127 970 17.25 3.14 0.62 0.77
4 A' 592 510 8.12 1.13 0.73 0.84
5 A" 1466 1262 116.99 2.69 0.75 0.86
6 A" 1305 1123 233.19 4.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4548.1 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 3914.6 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-pVDZ
ABC
2.27932 0.37520 0.32724

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.504 0.000
H2 -0.724 1.284 0.000
F3 0.030 -0.239 1.082
F4 0.030 -0.239 -1.082

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.08451.31351.3135
H21.08452.01522.0152
F31.31352.01522.1650
F41.31352.01522.1650

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 114.021 H2 C1 F4 114.021
F3 C1 F4 111.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.457      
2 H 0.051      
3 F -0.254      
4 F -0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.607 1.539 0.000 1.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.894 -0.783 0.000
y -0.783 -14.363 0.000
z 0.000 0.000 -17.750
Traceless
 xyz
x 1.162 -0.783 0.000
y -0.783 1.959 0.000
z 0.000 0.000 -3.121
Polar
3z2-r2-6.242
x2-y2-0.531
xy-0.783
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> 35.633
(<r2>)1/2 5.969