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

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-637.068858
Energy at 298.15K-637.070841
HF Energy-637.068858
Nuclear repulsion energy138.740884
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/aug-cc-pVDZ
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' 3163 3144 6.16      
2 A' 3155 3136 8.88      
3 A' 1646 1636 19.76      
4 A' 1262 1254 0.72      
5 A' 1181 1174 1.39      
6 A' 1090 1084 187.55      
7 A' 856 851 56.04      
8 A' 435 432 1.29      
9 A' 261 259 5.11      
10 A" 866 860 60.54      
11 A" 765 760 4.85      
12 A" 260 259 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 7470.1 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 7424.6 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/aug-cc-pVDZ
ABC
1.76711 0.08050 0.07699

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.481 0.000
C2 1.026 -0.381 0.000
Cl3 -1.646 -0.084 0.000
F4 2.306 0.081 0.000
H5 0.123 1.571 0.000
H6 0.955 -1.475 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.34011.74082.34051.09622.1772
C21.34012.68901.36072.15001.0970
Cl31.74082.68903.95592.42272.9500
F42.34051.36073.95592.64252.0611
H51.09622.15002.42272.64253.1574
H62.17721.09702.95002.06113.1574

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 120.126 C1 C2 H6 126.311
C2 C1 Cl3 121.016 C2 C1 H5 123.578
Cl3 C1 H5 115.406 F4 C2 H6 113.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.092      
2 C 1.154      
3 Cl -0.151      
4 F -0.384      
5 H -0.420      
6 H -0.291      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.008 -0.117 0.000 0.117
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.180 -0.893 0.000
y -0.893 -26.664 0.000
z 0.000 0.000 -30.883
Traceless
 xyz
x -4.406 -0.893 0.000
y -0.893 5.367 0.000
z 0.000 0.000 -0.961
Polar
3z2-r2-1.921
x2-y2-6.515
xy-0.893
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.739 -0.325 0.000
y -0.325 5.682 0.000
z 0.000 0.000 4.439


<r2> (average value of r2) Å2
<r2> 127.158
(<r2>)1/2 11.276