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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-636.735275
Energy at 298.15K-636.730111
HF Energy-635.773577
Nuclear repulsion energy141.031161
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3433 3433 3.94      
2 A' 3425 3425 11.36      
3 A' 1897 1897 39.26      
4 A' 1444 1444 0.08      
5 A' 1352 1352 5.69      
6 A' 1251 1251 223.36      
7 A' 946 946 68.08      
8 A' 485 485 2.41      
9 A' 295 295 8.30      
10 A" 1056 1056 45.92      
11 A" 928 928 25.57      
12 A" 303 303 3.61      

Unscaled Zero Point Vibrational Energy (zpe) 8406.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8406.9 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 CBS-Q
ABC
1.80017 0.08162 0.07808

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.473 0.000
C2 1.028 -0.341 0.000
Cl3 -1.625 -0.122 0.000
F4 2.264 0.129 0.000
H5 0.101 1.542 0.000
H6 0.982 -1.414 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31121.73112.29041.07362.1268
C21.31122.66281.32212.09841.0741
Cl31.73112.66283.89802.39782.9098
F42.29041.32213.89802.58422.0057
H51.07362.09842.39782.58423.0840
H62.12681.07412.90982.00573.0840

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 120.867 C1 C2 H6 125.878
C2 C1 Cl3 121.542 C2 C1 H5 122.957
Cl3 C1 H5 115.502 F4 C2 H6 113.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability