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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-634.175371
Energy at 298.15K-634.177292
HF Energy-634.175371
Nuclear repulsion energy135.482308
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 BLYP/3-21G
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' 3218 3200 6.88      
2 A' 3148 3130 3.62      
3 A' 1649 1640 14.29      
4 A' 1331 1324 1.74      
5 A' 1191 1184 4.21      
6 A' 1098 1092 90.47      
7 A' 759 755 49.89      
8 A' 404 402 2.37      
9 A' 252 250 5.58      
10 A" 929 923 60.45      
11 A" 780 776 35.32      
12 A" 256 254 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 7506.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 7465.0 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 BLYP/3-21G
ABC
1.71333 0.07637 0.07311

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.528 0.000
C2 1.066 -0.271 0.000
Cl3 -1.682 -0.230 0.000
F4 2.355 0.235 0.000
H5 0.002 1.611 0.000
H6 1.008 -1.359 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33251.84512.37271.08372.1395
C21.33252.74911.38402.16271.0897
Cl31.84512.74914.06362.49542.9180
F42.37271.38404.06362.72572.0868
H51.08372.16272.49542.72573.1365
H62.13951.08972.91802.08683.1365

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 121.706 C1 C2 H6 123.777
C2 C1 Cl3 118.920 C2 C1 H5 126.738
Cl3 C1 H5 114.341 F4 C2 H6 114.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.422      
2 C 0.135      
3 Cl 0.051      
4 F -0.221      
5 H 0.245      
6 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.725 0.067 0.000 0.728
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.954 -1.265 0.000
y -1.265 -26.421 0.000
z 0.000 0.000 -30.585
Traceless
 xyz
x -4.451 -1.265 0.000
y -1.265 5.348 0.000
z 0.000 0.000 -0.897
Polar
3z2-r2-1.794
x2-y2-6.533
xy-1.265
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.115 0.157 0.000
y 0.157 3.675 0.000
z 0.000 0.000 1.382


<r2> (average value of r2) Å2
<r2> 132.532
(<r2>)1/2 11.512