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: B3LYPultrafine/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 B3LYPultrafine/6-31G**
 hartrees
Energy at 0K-637.417850
Energy at 298.15K-637.420116
HF Energy-637.417850
Nuclear repulsion energy148.526767
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 B3LYPultrafine/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' 3306 3177 0.09      
2 A' 3202 3077 3.92      
3 A' 1738 1670 147.80      
4 A' 1418 1362 4.73      
5 A' 1210 1163 197.18      
6 A' 967 929 32.47      
7 A' 687 660 52.43      
8 A' 430 413 0.78      
9 A' 372 357 0.14      
10 A" 851 818 60.82      
11 A" 723 695 0.56      
12 A" 530 509 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 7717.3 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 7414.8 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 B3LYPultrafine/6-31G**
ABC
0.35389 0.16688 0.11340

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.462 0.000
C2 -1.011 1.318 0.000
F3 1.278 0.843 0.000
Cl4 -0.153 -1.272 0.000
H5 -0.804 2.381 0.000
H6 -2.034 0.971 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32471.33331.74012.08132.0964
C21.32472.33732.72821.08301.0803
F31.33332.33732.55272.58913.3139
Cl41.74012.72822.55273.71062.9269
H52.08131.08302.58913.71061.8710
H62.09641.08033.31392.92691.8710

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 119.298 C1 C2 H6 120.971
C2 C1 F3 123.126 C2 C1 Cl4 125.240
F3 C1 Cl4 111.634 H5 C2 H6 119.731
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.241      
2 C -0.278      
3 F -0.241      
4 Cl 0.008      
5 H 0.135      
6 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.016 0.834 0.000 1.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.431 -1.163 0.000
y -1.163 -27.046 0.000
z 0.000 0.000 -30.003
Traceless
 xyz
x 0.094 -1.163 0.000
y -1.163 2.171 0.000
z 0.000 0.000 -2.265
Polar
3z2-r2-4.530
x2-y2-1.385
xy-1.163
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.665 -0.843 0.000
y -0.843 6.575 0.000
z 0.000 0.000 2.214


<r2> (average value of r2) Å2
<r2> 95.996
(<r2>)1/2 9.798