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

using model chemistry: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-637.114897
Energy at 298.15K-637.116891
HF Energy-637.114897
Nuclear repulsion energy139.094500
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 PBEPBE/TZVP
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' 3159 3124 7.81      
2 A' 3142 3107 5.86      
3 A' 1646 1627 19.16      
4 A' 1283 1269 0.73      
5 A' 1201 1188 1.00      
6 A' 1104 1092 184.22      
7 A' 852 842 60.24      
8 A' 437 432 1.39      
9 A' 263 260 5.53      
10 A" 885 875 66.87      
11 A" 760 751 7.75      
12 A" 262 259 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 7496.8 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 7412.9 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 PBEPBE/TZVP
ABC
1.79749 0.08070 0.07723

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.477 0.000
C2 1.030 -0.368 0.000
Cl3 -1.645 -0.098 0.000
F4 2.300 0.100 0.000
H5 0.116 1.560 0.000
H6 0.967 -1.456 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33221.74252.33081.08862.1622
C21.33222.68851.35322.13311.0906
Cl31.74252.68853.94982.41812.9446
F42.33081.35323.94982.62722.0487
H51.08862.13312.41812.62723.1340
H62.16221.09062.94462.04873.1340

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 126.074
C2 C1 Cl3 121.374 C2 C1 H5 123.251
Cl3 C1 H5 115.375 F4 C2 H6 113.486
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.153      
2 C 0.055      
3 Cl -0.054      
4 F -0.154      
5 H 0.188      
6 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.026 -0.174 0.000 0.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.037 -0.908 0.000
y -0.908 -26.484 0.000
z 0.000 0.000 -30.707
Traceless
 xyz
x -4.442 -0.908 0.000
y -0.908 5.388 0.000
z 0.000 0.000 -0.946
Polar
3z2-r2-1.893
x2-y2-6.554
xy-0.908
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.769 -0.306 0.000
y -0.306 4.668 0.000
z 0.000 0.000 3.179


<r2> (average value of r2) Å2
<r2> 126.690
(<r2>)1/2 11.256