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

using model chemistry: ROMP2/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 ROMP2/cc-pVTZ
 hartrees
Energy at 0K-237.998551
Energy at 298.15K-237.999824
HF Energy-237.357625
Nuclear repulsion energy70.361761
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 ROMP2/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' 3190 3190        
2 A' 1203 1203        
3 A' 1057 1057        
4 A' 558 558        
5 A" 1375 1375        
6 A" 1225 1225        

Unscaled Zero Point Vibrational Energy (zpe) 4303.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4303.9 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 ROMP2/cc-pVTZ
ABC
2.26571 0.36730 0.32091

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.506 0.000
H2 -0.721 1.288 0.000
F3 0.030 -0.240 1.094
F4 0.030 -0.240 -1.094

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.08401.32471.3247
H21.08402.02422.0242
F31.32472.02422.1884
F41.32472.02422.1884

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 113.986 H2 C1 F4 113.986
F3 C1 F4 111.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.371      
2 H 0.081      
3 F -0.226      
4 F -0.226      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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> 36.178
(<r2>)1/2 6.015