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 CHFCHClz ((Z)-1-Chloro-2-fluoroethene)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-637.386932
Energy at 298.15K-637.389077
HF Energy-637.386932
Nuclear repulsion energy140.943706
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 B3LYP/SDD
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' 3290 3162 9.16      
2 A' 3247 3121 7.07      
3 A' 1704 1638 41.98      
4 A' 1339 1288 15.98      
5 A' 1241 1193 13.64      
6 A' 1013 974 97.61      
7 A' 753 724 14.48      
8 A' 609 586 26.82      
9 A' 187 179 1.66      
10 A" 902 867 0.13      
11 A" 758 729 78.53      
12 A" 435 418 9.09      

Unscaled Zero Point Vibrational Energy (zpe) 7738.5 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 7439.0 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 B3LYP/SDD
ABC
0.51634 0.11621 0.09486

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.898 0.000
C2 1.269 0.476 0.000
Cl3 -1.419 -0.208 0.000
F4 1.626 -0.867 0.000
H5 -0.256 1.949 0.000
H6 2.128 1.142 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33761.79912.40021.08202.1418
C21.33762.77401.39022.12051.0861
Cl31.79912.77403.11572.45073.7950
F42.40021.39023.11573.38762.0705
H51.08202.12052.45073.38762.5172
H62.14181.08613.79502.07052.5172

picture of (Z)-1-Chloro-2-fluoroethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 123.249 C1 C2 H6 123.857
C2 C1 Cl3 123.688 C2 C1 H5 122.070
Cl3 C1 H5 114.243 F4 C2 H6 112.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.366      
2 C 0.101      
3 Cl -0.009      
4 F -0.212      
5 H 0.264      
6 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.840 2.797 0.000 2.921
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.966 3.233 0.000
y 3.233 -27.073 0.000
z 0.000 0.000 -30.671
Traceless
 xyz
x -0.094 3.233 0.000
y 3.233 2.745 0.000
z 0.000 0.000 -2.651
Polar
3z2-r2-5.302
x2-y2-1.892
xy3.233
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.627 0.433 0.000
y 0.433 4.022 0.000
z 0.000 0.000 1.759


<r2> (average value of r2) Å2
<r2> 109.150
(<r2>)1/2 10.447