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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-637.049107
Energy at 298.15K-637.051096
HF Energy-637.049107
Nuclear repulsion energy138.929316
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/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' 3158 3140 7.74      
2 A' 3139 3121 5.61      
3 A' 1662 1652 20.86      
4 A' 1261 1254 0.10      
5 A' 1168 1162 1.39      
6 A' 1129 1123 167.25      
7 A' 857 853 53.45      
8 A' 438 436 1.40      
9 A' 259 257 4.92      
10 A" 883 878 48.92      
11 A" 756 751 12.63      
12 A" 265 263 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 7487.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 7444.4 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/cc-pVDZ
ABC
1.78073 0.08057 0.07709

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.481 0.000
C2 1.030 -0.378 0.000
Cl3 -1.646 -0.079 0.000
F4 2.303 0.069 0.000
H5 0.135 1.571 0.000
H6 0.940 -1.475 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.34161.73882.33981.09842.1703
C21.34162.69331.34932.14521.1007
Cl31.73882.69333.95232.42782.9391
F42.33981.34933.95232.63772.0601
H51.09842.14522.42782.63773.1509
H62.17031.10072.93912.06013.1509

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 120.810 C1 C2 H6 125.112
C2 C1 Cl3 121.398 C2 C1 H5 122.771
Cl3 C1 H5 115.832 F4 C2 H6 114.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.126      
2 C 0.206      
3 Cl -0.047      
4 F -0.131      
5 H 0.067      
6 H 0.030      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.232 -0.128 0.000 0.265
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.594 -0.666 0.000
y -0.666 -26.294 0.000
z 0.000 0.000 -30.186
Traceless
 xyz
x -3.354 -0.666 0.000
y -0.666 4.596 0.000
z 0.000 0.000 -1.242
Polar
3z2-r2-2.484
x2-y2-5.300
xy-0.666
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.326 -0.306 0.000
y -0.306 4.391 0.000
z 0.000 0.000 2.295


<r2> (average value of r2) Å2
<r2> 126.466
(<r2>)1/2 11.246