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

using model chemistry: MP4/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/TZVP
 hartrees
Energy at 0K-636.538337
Energy at 298.15K-636.540369
HF Energy-635.867721
Nuclear repulsion energy139.340279
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 MP4/TZVP
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' 3261 3140        
2 A' 3251 3130        
3 A' 1684 1622        
4 A' 1342 1292        
5 A' 1262 1215        
6 A' 1133 1091        
7 A' 883 850        
8 A' 446 430        
9 A' 271 261        
10 A" 903 870        
11 A" 740 712        
12 A" 264 254        

Unscaled Zero Point Vibrational Energy (zpe) 7719.4 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 7433.0 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 MP4/TZVP
ABC
1.79598 0.08104 0.07754

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.482 0.000
C2 1.028 -0.364 0.000
Cl3 -1.642 -0.104 0.000
F4 2.295 0.106 0.000
H5 0.121 1.555 0.000
H6 0.966 -1.444 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33131.74292.32511.08032.1546
C21.33132.68221.35092.12281.0820
Cl31.74292.68223.94162.42062.9317
F42.32511.35093.94162.61242.0418
H51.08032.12282.42062.61243.1162
H62.15461.08202.93172.04183.1162

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 120.191 C1 C2 H6 126.147
C2 C1 Cl3 120.921 C2 C1 H5 123.013
Cl3 C1 H5 116.065 F4 C2 H6 113.662
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability