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All results from a given calculation for CHFCHCl ((E)-1-chloro-2-fluoroethene)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-637.014261
Energy at 298.15K-637.016245
HF Energy-637.014261
Nuclear repulsion energy139.098267
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 PBEPBEultrafine/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' 3180 3127 8.49      
2 A' 3153 3101 7.12      
3 A' 1671 1643 21.21      
4 A' 1295 1274 0.07      
5 A' 1213 1193 2.57      
6 A' 1152 1133 154.80      
7 A' 864 849 55.13      
8 A' 440 433 1.48      
9 A' 263 259 4.81      
10 A" 891 877 52.00      
11 A" 748 735 13.32      
12 A" 266 261 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 7567.4 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 7442.6 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 PBEPBEultrafine/6-31G*
ABC
1.79067 0.08071 0.07723

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.480 0.000
C2 1.031 -0.376 0.000
Cl3 -1.645 -0.082 0.000
F4 2.301 0.075 0.000
H5 0.126 1.564 0.000
H6 0.949 -1.467 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33951.73832.33591.09162.1661
C21.33952.69161.34802.14041.0943
Cl31.73832.69163.94882.41812.9408
F42.33591.34803.94882.63512.0509
H51.09162.14042.41812.63513.1410
H62.16611.09432.94082.05093.1410

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 120.728 C1 C2 H6 125.447
C2 C1 Cl3 121.431 C2 C1 H5 123.064
Cl3 C1 H5 115.505 F4 C2 H6 113.824
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.333      
2 C 0.170      
3 Cl 0.010      
4 F -0.224      
5 H 0.209      
6 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.402 -0.109 0.000 0.416
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.579 -0.733 0.000
y -0.733 -26.095 0.000
z 0.000 0.000 -30.086
Traceless
 xyz
x -3.489 -0.733 0.000
y -0.733 4.737 0.000
z 0.000 0.000 -1.249
Polar
3z2-r2-2.497
x2-y2-5.484
xy-0.733
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.259 -0.303 0.000
y -0.303 4.230 0.000
z 0.000 0.000 2.229


<r2> (average value of r2) Å2
<r2> 126.193
(<r2>)1/2 11.234