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

using model chemistry: B2PLYP/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 B2PLYP/6-31G**
 hartrees
Energy at 0K-637.089200
Energy at 298.15K-637.091280
HF Energy-636.903076
Nuclear repulsion energy139.789163
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 B2PLYP/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' 3290 3290 8.40      
2 A' 3274 3274 5.67      
3 A' 1732 1732 23.00      
4 A' 1347 1347 0.08      
5 A' 1261 1261 4.92      
6 A' 1177 1177 159.88      
7 A' 891 891 54.06      
8 A' 453 453 1.71      
9 A' 273 273 6.12      
10 A" 941 941 50.38      
11 A" 798 798 13.28      
12 A" 276 276 1.78      

Unscaled Zero Point Vibrational Energy (zpe) 7856.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7856.8 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 B2PLYP/6-31G**
ABC
1.81582 0.08147 0.07798

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.476 0.000
C2 1.026 -0.368 0.000
Cl3 -1.637 -0.094 0.000
F4 2.289 0.094 0.000
H5 0.123 1.549 0.000
H6 0.955 -1.447 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32891.73392.32041.07942.1474
C21.32892.67751.34462.11871.0814
Cl31.73392.67753.93062.40822.9241
F42.32041.34463.93062.60852.0383
H51.07942.11872.40822.60853.1091
H62.14741.08142.92412.03833.1091

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 120.439 C1 C2 H6 125.682
C2 C1 Cl3 121.334 C2 C1 H5 122.888
Cl3 C1 H5 115.778 F4 C2 H6 113.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.266      
2 C 0.254      
3 Cl -0.007      
4 F -0.278      
5 H 0.167      
6 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.275 -0.151 0.000 0.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.508 -0.902 0.000
y -0.902 -26.212 0.000
z 0.000 0.000 -30.122
Traceless
 xyz
x -4.341 -0.902 0.000
y -0.902 5.103 0.000
z 0.000 0.000 -0.762
Polar
3z2-r2-1.524
x2-y2-6.296
xy-0.902
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.904 -0.310 0.000
y -0.310 4.114 0.000
z 0.000 0.000 2.192


<r2> (average value of r2) Å2
<r2> 125.358
(<r2>)1/2 11.196