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

using model chemistry: CCSD(T)/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 CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-636.699127
Energy at 298.15K-636.701197
HF Energy-635.883543
Nuclear repulsion energy140.018562
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)/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' 3245 3163        
2 A' 3235 3153        
3 A' 1696 1654        
4 A' 1326 1293        
5 A' 1242 1210        
6 A' 1164 1134        
7 A' 887 864        
8 A' 451 440        
9 A' 268 262        
10 A" 917 894        
11 A" 791 771        
12 A" 271 265        

Unscaled Zero Point Vibrational Energy (zpe) 7746.6 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 7551.4 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 CCSD(T)/cc-pVTZ
ABC
1.80131 0.08190 0.07834

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.484 0.000
C2 1.022 -0.369 0.000
Cl3 -1.633 -0.092 0.000
F4 2.284 0.084 0.000
H5 0.131 1.555 0.000
H6 0.941 -1.446 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33121.73142.31851.07882.1467
C21.33122.66981.34022.12001.0804
Cl31.73142.66983.92072.41262.9080
F42.31851.34023.92072.60742.0360
H51.07882.12002.41262.60743.1079
H62.14671.08042.90802.03603.1079

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 120.438 C1 C2 H6 125.474
C2 C1 Cl3 120.766 C2 C1 H5 122.861
Cl3 C1 H5 116.373 F4 C2 H6 114.088
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability