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

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-237.286484
Energy at 298.15K-237.287719
HF Energy-237.286484
Nuclear repulsion energy70.665207
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/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' 3017 2985 20.28      
2 A' 1196 1183 80.02      
3 A' 927 917 12.24      
4 A' 548 542 3.24      
5 A" 1297 1283 132.59      
6 A" 1194 1181 138.95      

Unscaled Zero Point Vibrational Energy (zpe) 4089.7 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 4045.1 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/cc-pVTZ
ABC
2.26547 0.37180 0.32427

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.503 0.000
H2 -0.721 1.308 0.000
F3 0.030 -0.240 1.088
F4 0.030 -0.240 -1.088

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.10081.31701.3170
H21.10082.03522.0352
F31.31702.03522.1751
F41.31702.03522.1751

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 114.360 H2 C1 F4 114.360
F3 C1 F4 111.337
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.140      
2 H 0.061      
3 F -0.100      
4 F -0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.748 0.934 0.000 1.197
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.578 -0.997 0.000
y -0.997 -14.970 0.000
z 0.000 0.000 -17.136
Traceless
 xyz
x 0.475 -0.997 0.000
y -0.997 1.387 0.000
z 0.000 0.000 -1.862
Polar
3z2-r2-3.725
x2-y2-0.608
xy-0.997
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.842 -0.231 0.000
y -0.231 2.188 0.000
z 0.000 0.000 2.437


<r2> (average value of r2) Å2
<r2> 36.023
(<r2>)1/2 6.002