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

using model chemistry: B2PLYP/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-637.145184
Energy at 298.15K-637.147274
HF Energy-636.916575
Nuclear repulsion energy140.344930
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(2df,p)
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' 3266 3119 9.64      
2 A' 3248 3102 5.07      
3 A' 1717 1640 28.10      
4 A' 1342 1282 0.46      
5 A' 1238 1182 1.90      
6 A' 1183 1130 162.45      
7 A' 886 846 49.05      
8 A' 454 434 1.61      
9 A' 270 257 5.74      
10 A" 950 907 40.03      
11 A" 816 779 11.89      
12 A" 277 265 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 7822.7 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 7470.7 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(2df,p)
ABC
1.81852 0.08216 0.07861

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.482 0.000
C2 1.025 -0.360 0.000
Cl3 -1.630 -0.096 0.000
F4 2.279 0.087 0.000
H5 0.116 1.556 0.000
H6 0.944 -1.439 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32631.73002.31281.07962.1407
C21.32632.66801.33112.12021.0820
Cl31.73002.66803.91332.40372.9037
F42.31281.33113.91332.61482.0266
H51.07962.12022.40372.61483.1071
H62.14071.08202.90372.02663.1071

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 120.993 C1 C2 H6 125.160
C2 C1 Cl3 121.043 C2 C1 H5 123.268
Cl3 C1 H5 115.689 F4 C2 H6 113.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.176      
2 C 0.080      
3 Cl -0.113      
4 F -0.105      
5 H 0.169      
6 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.346 -0.095 0.000 0.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.193 -0.854 0.000
y -0.854 -26.178 0.000
z 0.000 0.000 -29.976
Traceless
 xyz
x -4.116 -0.854 0.000
y -0.854 4.906 0.000
z 0.000 0.000 -0.790
Polar
3z2-r2-1.581
x2-y2-6.014
xy-0.854
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.297 -0.322 0.000
y -0.322 4.552 0.000
z 0.000 0.000 2.930


<r2> (average value of r2) Å2
<r2> 124.405
(<r2>)1/2 11.154