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

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-50.647373
Energy at 298.15K-50.649589
HF Energy-50.647373
Nuclear repulsion energy56.645683
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 HF/CEP-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' 3460 3107 1.72      
2 A' 3449 3097 20.41      
3 A' 1885 1693 41.98      
4 A' 1431 1285 0.05      
5 A' 1339 1203 3.94      
6 A' 1251 1123 257.84      
7 A' 947 850 71.65      
8 A' 478 430 2.23      
9 A' 289 260 8.21      
10 A" 1039 933 73.98      
11 A" 900 808 14.42      
12 A" 296 266 2.60      

Unscaled Zero Point Vibrational Energy (zpe) 8382.1 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 7527.2 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 HF/CEP-31G*
ABC
1.78408 0.08176 0.07818

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.490 0.000
C2 1.032 -0.360 0.000
Cl3 -1.635 -0.108 0.000
F4 2.281 0.103 0.000
H5 0.109 1.560 0.000
H6 0.973 -1.436 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33681.74102.31311.07632.1573
C21.33682.67931.33162.13081.0776
Cl31.74102.67933.92152.41352.9266
F42.31311.33163.92152.61532.0197
H51.07632.13082.41352.61533.1184
H62.15731.07762.92662.01973.1184

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 120.185 C1 C2 H6 126.300
C2 C1 Cl3 120.465 C2 C1 H5 123.658
Cl3 C1 H5 115.877 F4 C2 H6 113.515
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.147      
2 C -0.009      
3 Cl -0.149      
4 F -0.223      
5 H 0.280      
6 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.186 -0.252 0.000 0.313
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.541 -1.269 0.000
y -1.269 -25.288 0.000
z 0.000 0.000 -30.086
Traceless
 xyz
x -5.854 -1.269 0.000
y -1.269 6.525 0.000
z 0.000 0.000 -0.671
Polar
3z2-r2-1.342
x2-y2-8.253
xy-1.269
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.880 -0.506 0.000
y -0.506 3.975 0.000
z 0.000 0.000 2.381


<r2> (average value of r2) Å2
<r2> 84.986
(<r2>)1/2 9.219