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 CH3CF2Cl (1-Chloro-1,1-Difluoroethane)

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-737.520867
Energy at 298.15K 
HF Energy-737.520867
Nuclear repulsion energy245.411502
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 HSEh1PBE/6-31+G**
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/6-31+G**
ABC
0.17448 0.10744 0.10478

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.345 0.008 0.000
C2 -0.812 1.435 0.000
Cl3 1.433 -0.133 0.000
F4 -0.812 -0.651 1.085
F5 -0.812 -0.651 -1.085
H6 -1.905 1.439 0.000
H7 -0.444 1.945 0.891
H8 -0.444 1.945 -0.891

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 H6 H7 H8
C11.50091.78371.35281.35282.11602.13372.1337
C21.50092.73832.35142.35141.09281.09061.0906
Cl31.78372.73832.54652.54653.68922.93832.9383
F41.35282.35142.54652.16962.59592.62923.2832
F51.35282.35142.54652.16962.59593.28322.6292
H62.11601.09283.68922.59592.59591.78451.7845
H72.13371.09062.93832.62923.28321.78451.7822
H82.13371.09062.93833.28322.62921.78451.7822

picture of 1-Chloro-1,1-Difluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 108.312 C1 C2 H7 109.833
C1 C2 H8 109.833 C2 C1 Cl3 112.676
C2 C1 F4 110.869 C2 C1 F5 110.869
Cl3 C1 F4 107.772 Cl3 C1 F5 107.772
F4 C1 F5 106.625 H6 C2 H7 109.631
H6 C2 H8 109.631 H7 C2 H8 109.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.269      
2 C -0.505      
3 Cl 0.060      
4 F -0.220      
5 F -0.220      
6 H 0.204      
7 H 0.207      
8 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.647 2.259 0.000 2.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.911 -1.951 0.000
y -1.951 -33.683 0.000
z 0.000 0.000 -36.707
Traceless
 xyz
x 0.284 -1.951 0.000
y -1.951 2.126 0.000
z 0.000 0.000 -2.410
Polar
3z2-r2-4.821
x2-y2-1.228
xy-1.951
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.722 -0.307 0.000
y -0.307 5.145 0.000
z 0.000 0.000 4.944


<r2> (average value of r2) Å2
<r2> 130.082
(<r2>)1/2 11.405