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 CHFCHCl ((E)-1-chloro-2-fluoroethene)

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-637.306353
Energy at 298.15K-637.308436
HF Energy-637.306353
Nuclear repulsion energy140.315379
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 M06-2X/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' 3275 3101 10.34      
2 A' 3258 3085 4.94      
3 A' 1772 1678 29.07      
4 A' 1342 1271 0.36      
5 A' 1254 1188 0.92      
6 A' 1212 1148 172.81      
7 A' 891 843 53.64      
8 A' 457 433 1.93      
9 A' 272 257 6.23      
10 A" 951 900 50.79      
11 A" 826 782 17.42      
12 A" 274 259 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 7891.2 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 7473.0 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 M06-2X/6-31G*
ABC
1.82090 0.08217 0.07862

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.476 0.000
C2 1.025 -0.361 0.000
Cl3 -1.631 -0.100 0.000
F4 2.277 0.101 0.000
H5 0.121 1.552 0.000
H6 0.954 -1.444 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32351.72962.30811.08222.1438
C21.32352.66831.33522.11561.0846
Cl31.72962.66833.91332.40772.9130
F42.30811.33523.91332.59892.0339
H51.08222.11562.40772.59893.1089
H62.14381.08462.91302.03393.1089

picture of (E)-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 120.490 C1 C2 H6 125.517
C2 C1 Cl3 121.277 C2 C1 H5 122.835
Cl3 C1 H5 115.888 F4 C2 H6 113.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.344      
2 C 0.200      
3 Cl 0.000      
4 F -0.275      
5 H 0.229      
6 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.312 -0.157 0.000 0.350
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.404 -0.966 0.000
y -0.966 -26.023 0.000
z 0.000 0.000 -30.157
Traceless
 xyz
x -4.315 -0.966 0.000
y -0.966 5.258 0.000
z 0.000 0.000 -0.943
Polar
3z2-r2-1.886
x2-y2-6.382
xy-0.966
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.877 -0.312 0.000
y -0.312 4.155 0.000
z 0.000 0.000 2.206


<r2> (average value of r2) Å2
<r2> 124.451
(<r2>)1/2 11.156