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All results from a given calculation for CH2F (fluoromethyl radical)

using model chemistry: QCISD/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 QCISD/cc-pVDZ
 hartrees
Energy at 0K-138.738535
Energy at 298.15K-138.739849
HF Energy-138.412329
Nuclear repulsion energy31.917164
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 QCISD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3156 3027 11.93      
2 A' 1486 1425 9.67      
3 A' 1196 1147 101.69      
4 A' 676 649 27.62      
5 A" 3305 3171 18.23      
6 A" 1182 1134 10.36      

Unscaled Zero Point Vibrational Energy (zpe) 5500.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 5276.9 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 QCISD/cc-pVDZ
ABC
8.57482 1.01699 0.91972

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.031 0.659 0.000
F2 0.031 -0.687 0.000
H3 -0.233 1.116 0.960
H4 -0.233 1.116 -0.960

Atom - Atom Distances (Å)
  C1 F2 H3 H4
C11.34651.09561.0956
F21.34652.05982.0598
H31.09562.05981.9210
H41.09562.05981.9210

picture of fluoromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 H3 114.621 F2 C1 H4 114.621
H3 C1 H4 122.487
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability