return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHFCl (Chlorofluoromethyl radical)

using model chemistry: MP2/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/aug-cc-pVQZ
 hartrees
Energy at 0K-598.053975
Energy at 298.15K 
HF Energy-597.417780
Nuclear repulsion energy94.018943
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 MP2/aug-cc-pVQZ
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 3235 3073 4.55 92.23 0.20 0.33
2 A 1323 1256 47.33 1.71 0.56 0.71
3 A 1183 1124 204.51 2.13 0.58 0.73
4 A 888 843 58.62 4.56 0.12 0.22
5 A 771 732 26.14 5.46 0.09 0.17
6 A 417 396 1.36 1.89 0.50 0.66

Unscaled Zero Point Vibrational Energy (zpe) 3908.4 cm-1
Scaled (by 0.9497) Zero Point Vibrational Energy (zpe) 3711.8 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 MP2/aug-cc-pVQZ
ABC
1.94995 0.19865 0.18150

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVQZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.533 0.547 -0.131
H2 0.712 1.494 0.356
F3 1.512 -0.338 0.027
Cl4 -1.031 -0.102 0.011

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4
C11.07941.32981.6989
H21.07942.02592.3880
F31.32982.02592.5541
Cl41.69892.38802.5541

picture of Chlorofluoromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 114.068 H2 C1 Cl4 116.757
F3 C1 Cl4 114.426
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability