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

using model chemistry: PBEPBEultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-637.125954
Energy at 298.15K-637.127958
HF Energy-637.125954
Nuclear repulsion energy139.565634
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 PBEPBEultrafine/cc-pVTZ
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' 3149 3127 8.44      
2 A' 3132 3110 5.94      
3 A' 1646 1634 21.74      
4 A' 1276 1267 0.53      
5 A' 1192 1184 1.14      
6 A' 1117 1109 174.40      
7 A' 859 853 52.77      
8 A' 439 436 1.36      
9 A' 260 259 4.98      
10 A" 882 876 56.98      
11 A" 772 767 7.62      
12 A" 264 262 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 7493.8 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 7442.1 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 PBEPBEultrafine/cc-pVTZ
ABC
1.80246 0.08129 0.07779

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.478 0.000
C2 1.023 -0.375 0.000
Cl3 -1.639 -0.083 0.000
F4 2.294 0.077 0.000
H5 0.127 1.558 0.000
H6 0.943 -1.462 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33191.73192.32891.08772.1567
C21.33192.67761.34882.13051.0901
Cl31.73192.67763.93582.41062.9263
F42.32891.34883.93582.62502.0479
H51.08772.13052.41062.62503.1282
H62.15671.09012.92632.04793.1282

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 120.636 C1 C2 H6 125.572
C2 C1 Cl3 121.293 C2 C1 H5 123.097
Cl3 C1 H5 115.610 F4 C2 H6 113.792
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117      
2 C 0.102      
3 Cl -0.073      
4 F -0.139      
5 H 0.132      
6 H 0.095      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.122 -0.115 0.000 0.168
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.328 -0.779 0.000
y -0.779 -26.467 0.000
z 0.000 0.000 -30.458
Traceless
 xyz
x -3.866 -0.779 0.000
y -0.779 4.926 0.000
z 0.000 0.000 -1.060
Polar
3z2-r2-2.120
x2-y2-5.861
xy-0.779
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.996 -0.309 0.000
y -0.309 4.954 0.000
z 0.000 0.000 3.293


<r2> (average value of r2) Å2
<r2> 125.721
(<r2>)1/2 11.213