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: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-595.823817
Energy at 298.15K 
HF Energy-595.823817
Nuclear repulsion energy92.477225
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 B1B95/3-21G
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 3224 3085 11.63 87.20 0.28 0.43
2 A 1341 1283 48.43 6.55 0.70 0.82
3 A 1196 1144 123.37 3.96 0.46 0.63
4 A 840 803 74.89 6.98 0.50 0.66
5 A 650 622 31.01 9.46 0.17 0.29
6 A 387 370 1.67 3.39 0.69 0.81

Unscaled Zero Point Vibrational Energy (zpe) 3819.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 3653.8 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 B1B95/3-21G
ABC
1.92280 0.19109 0.17476

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.531 0.552 -0.121
H2 0.685 1.526 0.324
F3 1.550 -0.337 0.025
Cl4 -1.048 -0.106 0.010

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4
C11.08151.35961.7165
H21.08152.07542.4017
F31.35962.07542.6084
Cl41.71652.40172.6084

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 115.994 H2 C1 Cl4 116.416
F3 C1 Cl4 115.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.020      
2 H 0.248      
3 F -0.254      
4 Cl 0.026      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.037 1.257 0.495 1.352
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.150 1.464 0.254
y 1.464 -21.738 0.676
z 0.254 0.676 -23.618
Traceless
 xyz
x -1.472 1.464 0.254
y 1.464 2.146 0.676
z 0.254 0.676 -0.674
Polar
3z2-r2-1.348
x2-y2-2.412
xy1.464
xz0.254
yz0.676


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.006 0.485 -0.055
y 0.485 2.439 0.089
z -0.055 0.089 1.474


<r2> (average value of r2) Å2
<r2> 62.508
(<r2>)1/2 7.906