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: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-44.497381
Energy at 298.15K 
HF Energy-44.497381
Nuclear repulsion energy34.224324
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 HF/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 3355 3062 9.03 90.11 0.24 0.39
2 A 1376 1255 65.60 5.81 0.74 0.85
3 A 1176 1073 231.62 6.51 0.61 0.76
4 A 896 818 19.20 4.80 0.65 0.79
5 A 801 731 76.39 28.63 0.26 0.41
6 A 396 361 5.55 5.32 0.62 0.77

Unscaled Zero Point Vibrational Energy (zpe) 3999.5 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 3649.6 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 HF/CEP-121G
ABC
1.81312 0.18477 0.16884

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.568 0.575 -0.136
H2 0.749 1.500 0.383
F3 1.561 -0.354 0.027
Cl4 -1.071 -0.104 0.011

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4
C11.07581.36981.7805
H21.07582.05512.4545
F31.36982.05512.6442
Cl41.78052.45452.6442

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 113.813 H2 C1 Cl4 116.299
F3 C1 Cl4 113.504
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.125      
2 H 0.183      
3 F -0.275      
4 Cl -0.033      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.124 2.092 0.323 2.120
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.101 2.207 0.159
y 2.207 -21.493 0.694
z 0.159 0.694 -23.169
Traceless
 xyz
x -3.770 2.207 0.159
y 2.207 3.142 0.694
z 0.159 0.694 0.628
Polar
3z2-r21.256
x2-y2-4.608
xy2.207
xz0.159
yz0.694


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.117 0.623 -0.111
y 0.623 2.309 0.069
z -0.111 0.069 1.505


<r2> (average value of r2) Å2
<r2> 46.430
(<r2>)1/2 6.814