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 C2H2ClF (1-chloro-1-fluoroethylene)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-637.343586
Energy at 298.15K-637.345881
HF Energy-637.343586
Nuclear repulsion energy 
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 wB97X-D/6-31G*
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' 3336 3165 0.05      
2 A' 3235 3068 3.63      
3 A' 1774 1683 156.95      
4 A' 1437 1363 4.25      
5 A' 1244 1180 206.72      
6 A' 983 932 31.62      
7 A' 708 671 50.88      
8 A' 438 416 1.00      
9 A' 377 358 0.12      
10 A" 866 821 73.72      
11 A" 721 684 0.63      
12 A" 539 511 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 7828.9 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 7425.7 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 wB97X-D/6-31G*
ABC
0.35653 0.16858 0.11446

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.459 0.000
C2 -1.014 1.307 0.000
F3 1.268 0.844 0.000
Cl4 -0.146 -1.266 0.000
H5 -0.816 2.372 0.000
H6 -2.035 0.952 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32171.32571.73042.08022.0938
C21.32172.32832.71491.08321.0810
F31.32572.32832.54032.58433.3048
Cl41.73042.71492.54033.69892.9132
H52.08021.08322.58433.69891.8709
H62.09381.08103.30482.91321.8709

picture of 1-chloro-1-fluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 119.431 C1 C2 H6 120.924
C2 C1 F3 123.151 C2 C1 Cl4 125.087
F3 C1 Cl4 111.762 H5 C2 H6 119.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.267      
2 C -0.447      
3 F -0.247      
4 Cl 0.014      
5 H 0.206      
6 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.056 0.859 0.000 1.361
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.280 -1.217 0.000
y -1.217 -26.884 0.000
z 0.000 0.000 -30.035
Traceless
 xyz
x 0.180 -1.217 0.000
y -1.217 2.274 0.000
z 0.000 0.000 -2.453
Polar
3z2-r2-4.907
x2-y2-1.396
xy-1.217
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.630 -0.873 0.000
y -0.873 6.444 0.000
z 0.000 0.000 2.188


<r2> (average value of r2) Å2
<r2> 95.241
(<r2>)1/2 9.759