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

using model chemistry: QCISD/daug-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 QCISD/daug-cc-pVTZ
 hartrees
Energy at 0K-238.031281
Energy at 298.15K 
HF Energy-237.365522
Nuclear repulsion energy70.379408
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/daug-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' 3166 3166 17.46      
2 A' 1197 1197 92.84      
3 A' 1038 1038 6.85      
4 A' 558 558 4.87      
5 A" 1361 1361 71.04      
6 A" 1222 1222 224.57      

Unscaled Zero Point Vibrational Energy (zpe) 4270.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4270.4 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/daug-cc-pVTZ
ABC
2.24092 0.36907 0.32177

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.030 0.510 0.000
H2 -0.722 1.293 0.000
F3 0.030 -0.242 1.092
F4 0.030 -0.242 -1.092

Atom - Atom Distances (Å)
  C1 H2 F3 F4
C11.08581.32531.3253
H21.08582.02802.0280
F31.32532.02802.1831
F41.32532.02802.1831

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 114.148 H2 C1 F4 114.148
F3 C1 F4 110.901
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability