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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-637.393869
Energy at 298.15K-637.395964
HF Energy-637.393869
Nuclear repulsion energy140.521130
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 B1B95/6-31G**
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' 3285 3137 8.85      
2 A' 3264 3117 6.10      
3 A' 1760 1681 26.99      
4 A' 1342 1282 0.09      
5 A' 1258 1201 2.04      
6 A' 1203 1149 173.92      
7 A' 902 861 55.12      
8 A' 457 437 1.76      
9 A' 271 259 5.79      
10 A" 943 900 51.24      
11 A" 811 775 16.59      
12 A" 279 266 1.51      

Unscaled Zero Point Vibrational Energy (zpe) 7888.4 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 7531.8 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 B1B95/6-31G**
ABC
1.83074 0.08235 0.07880

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.474 0.000
C2 1.022 -0.368 0.000
Cl3 -1.629 -0.088 0.000
F4 2.277 0.083 0.000
H5 0.124 1.548 0.000
H6 0.946 -1.448 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32391.72312.30991.08092.1425
C21.32392.66511.33342.11571.0830
Cl31.72312.66513.90912.39752.9120
F42.30991.33343.90912.60392.0284
H51.08092.11572.39752.60393.1069
H62.14251.08302.91202.02843.1069

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 120.748 C1 C2 H6 125.492
C2 C1 Cl3 121.465 C2 C1 H5 122.913
Cl3 C1 H5 115.622 F4 C2 H6 113.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.346      
2 C 0.198      
3 Cl 0.005      
4 F -0.264      
5 H 0.225      
6 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.313 -0.150 0.000 0.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.013 -0.873 0.000
y -0.873 -25.876 0.000
z 0.000 0.000 -29.929
Traceless
 xyz
x -4.110 -0.873 0.000
y -0.873 5.095 0.000
z 0.000 0.000 -0.984
Polar
3z2-r2-1.969
x2-y2-6.137
xy-0.873
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.895 -0.336 0.000
y -0.336 4.115 0.000
z 0.000 0.000 2.196


<r2> (average value of r2) Å2
<r2> 124.048
(<r2>)1/2 11.138