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 CFCl2 (dichlorofluoromethyl radical)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-59.233193
Energy at 298.15K 
HF Energy-58.668963
Nuclear repulsion energy56.976546
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/CEP-121G*
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' 1164 1109 277.15 1.00 0.47 0.64
2 A' 670 638 17.17 12.92 0.07 0.13
3 A' 477 455 1.08 3.45 0.40 0.57
4 A' 285 271 0.02 5.17 0.61 0.76
5 A" 949 904 336.14 2.24 0.75 0.86
6 A" 379 361 0.58 3.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1961.2 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 1868.7 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/CEP-121G*
ABC
0.24416 0.10863 0.07633

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.171 0.452 0.000
F2 -0.760 1.426 0.000
Cl3 0.171 -0.457 1.482
Cl4 0.171 -0.457 -1.482

Atom - Atom Distances (Å)
  C1 F2 Cl3 Cl4
C11.34691.73831.7383
F21.34692.57032.5703
Cl31.73832.57032.9630
Cl41.73832.57032.9630

picture of dichlorofluoromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 112.217 F2 C1 Cl4 112.217
Cl3 C1 Cl4 116.920
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability