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

using model chemistry: CCSD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/6-31G*
 hartrees
Energy at 0K-636.376001
Energy at 298.15K-636.378045
HF Energy-635.774967
Nuclear repulsion energy139.307751
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 CCSD(T)/6-31G*
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' 3255 3132        
2 A' 3243 3120        
3 A' 1717 1652        
4 A' 1340 1290        
5 A' 1268 1220        
6 A' 1167 1123        
7 A' 896 862        
8 A' 450 433        
9 A' 273 263        
10 A" 911 877        
11 A" 766 737        
12 A" 271 261        

Unscaled Zero Point Vibrational Energy (zpe) 7778.6 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 7483.8 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 CCSD(T)/6-31G*
ABC
1.78885 0.08107 0.07756

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.478 0.000
C2 1.024 -0.380 0.000
Cl3 -1.641 -0.084 0.000
F4 2.297 0.082 0.000
H5 0.133 1.556 0.000
H6 0.952 -1.465 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33641.73472.33051.08582.1639
C21.33642.68181.35382.13141.0870
Cl31.73472.68183.94122.41582.9382
F42.33051.35383.94122.61772.0496
H51.08582.13142.41582.61773.1299
H62.16391.08702.93822.04963.1299

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 120.054 C1 C2 H6 126.171
C2 C1 Cl3 121.127 C2 C1 H5 122.933
Cl3 C1 H5 115.940 F4 C2 H6 113.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability