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: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-637.435804
Energy at 298.15K-637.438025
HF Energy-637.435804
Nuclear repulsion energy148.911037
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 B97D3/6-311+G(3df,2p)
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' 3230 3188 0.12      
2 A' 3127 3087 2.57      
3 A' 1655 1634 159.02      
4 A' 1374 1357 2.05      
5 A' 1143 1128 180.70      
6 A' 929 917 54.01      
7 A' 672 663 49.24      
8 A' 426 420 0.50      
9 A' 370 366 0.01      
10 A" 816 805 56.68      
11 A" 698 689 0.08      
12 A" 518 512 2.50      

Unscaled Zero Point Vibrational Energy (zpe) 7479.0 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 7381.8 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 B97D3/6-311+G(3df,2p)
ABC
0.35322 0.16862 0.11413

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.453 0.000
C2 -1.006 1.318 0.000
F3 1.283 0.833 0.000
Cl4 -0.158 -1.263 0.000
H5 -0.799 2.382 0.000
H6 -2.029 0.969 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32701.33821.72332.08832.0933
C21.32702.33942.71751.08351.0807
F31.33822.33942.54412.59483.3141
Cl41.72332.71752.54413.70142.9127
H52.08831.08352.59483.70141.8728
H62.09331.08073.31412.91271.8728

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 119.730 C1 C2 H6 120.429
C2 C1 F3 122.745 C2 C1 Cl4 125.465
F3 C1 Cl4 111.790 H5 C2 H6 119.841
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.454      
2 C -0.260      
3 F -0.365      
4 Cl -0.119      
5 H 0.142      
6 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.098 0.625 0.000 1.263
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.146 -1.274 0.000
y -1.274 -27.227 0.000
z 0.000 0.000 -30.600
Traceless
 xyz
x -0.233 -1.274 0.000
y -1.274 2.646 0.000
z 0.000 0.000 -2.413
Polar
3z2-r2-4.827
x2-y2-1.919
xy-1.274
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.231 -0.869 0.000
y -0.869 8.013 0.000
z 0.000 0.000 4.536


<r2> (average value of r2) Å2
<r2> 95.825
(<r2>)1/2 9.789