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All results from a given calculation for C2H2ClF (1-chloro-1-fluoroethylene)

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-637.022365
Energy at 298.15K-637.024547
HF Energy-637.022365
Nuclear repulsion energy147.960309
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 PBEPBE/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' 3248 3203 0.14      
2 A' 3141 3098 4.39      
3 A' 1686 1663 147.71      
4 A' 1367 1348 4.66      
5 A' 1175 1159 200.72      
6 A' 934 921 26.18      
7 A' 671 662 51.45      
8 A' 420 414 0.57      
9 A' 363 358 0.10      
10 A" 787 776 63.33      
11 A" 694 685 0.59      
12 A" 516 509 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 7500.1 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 7397.4 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 PBEPBE/6-31G**
ABC
0.34932 0.16623 0.11263

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.461 0.000
C2 -1.025 1.316 0.000
F3 1.281 0.851 0.000
Cl4 -0.147 -1.275 0.000
H5 -0.826 2.388 0.000
H6 -2.052 0.957 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.33501.33871.74222.09642.1111
C21.33502.35282.73571.09061.0879
F31.33872.35282.56032.60803.3347
Cl41.74222.73572.56033.72532.9340
H52.09641.09062.60803.72531.8854
H62.11111.08793.33472.93401.8854

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 119.257 C1 C2 H6 120.884
C2 C1 F3 123.282 C2 C1 Cl4 124.977
F3 C1 Cl4 111.742 H5 C2 H6 119.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.192      
2 C -0.303      
3 F -0.204      
4 Cl 0.024      
5 H 0.146      
6 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.870 0.809 0.000 1.188
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.191 -0.980 0.000
y -0.980 -26.987 0.000
z 0.000 0.000 -30.080
Traceless
 xyz
x 0.343 -0.980 0.000
y -0.980 2.149 0.000
z 0.000 0.000 -2.491
Polar
3z2-r2-4.982
x2-y2-1.204
xy-0.980
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.802 -0.824 0.000
y -0.824 6.753 0.000
z 0.000 0.000 2.249


<r2> (average value of r2) Å2
<r2> 96.506
(<r2>)1/2 9.824