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: wB97X-D/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-637.390360
Energy at 298.15K-637.392632
HF Energy-637.390360
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/aug-cc-pVDZ
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' 3275 3135 6.52      
2 A' 3243 3104 6.14      
3 A' 1751 1676 64.88      
4 A' 1345 1288 24.75      
5 A' 1254 1200 35.37      
6 A' 1079 1033 97.53      
7 A' 818 783 19.88      
8 A' 662 633 24.07      
9 A' 196 188 1.38      
10 A" 910 871 1.43      
11 A" 756 724 46.89      
12 A" 463 443 6.58      

Unscaled Zero Point Vibrational Energy (zpe) 7875.3 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 7539.0 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 wB97X-D/aug-cc-pVDZ
ABC
0.55053 0.12219 0.10000

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.867 0.000
C2 1.252 0.426 0.000
Cl3 -1.384 -0.172 0.000
F4 1.569 -0.873 0.000
H5 -0.211 1.933 0.000
H6 2.116 1.088 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32711.73092.34311.08662.1272
C21.32712.70291.33702.10011.0889
Cl31.73092.70293.03562.41003.7200
F42.34311.33703.03563.32292.0360
H51.08662.10012.41003.32292.4751
H62.12721.08893.72002.03602.4751

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 123.163 C1 C2 H6 123.097
C2 C1 Cl3 123.686 C2 C1 H5 120.611
Cl3 C1 H5 115.703 F4 C2 H6 113.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.081      
2 C 1.266      
3 Cl -0.141      
4 F -0.395      
5 H -0.397      
6 H -0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.912 2.047 0.000 2.241
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.302 2.492 0.000
y 2.492 -27.427 0.000
z 0.000 0.000 -30.724
Traceless
 xyz
x 0.773 2.492 0.000
y 2.492 2.085 0.000
z 0.000 0.000 -2.859
Polar
3z2-r2-5.718
x2-y2-0.875
xy2.492
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.074 0.299 0.000
y 0.299 5.637 0.000
z 0.000 0.000 4.378


<r2> (average value of r2) Å2
<r2> 104.539
(<r2>)1/2 10.224