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

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-636.058060
Energy at 298.15K-636.059938
HF Energy-635.716081
Nuclear repulsion energy134.336067
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 MP2/SDD
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' 3281 3167 1.41      
2 A' 3276 3162 9.19      
3 A' 1631 1575 12.91      
4 A' 1309 1263 1.56      
5 A' 1241 1198 4.06      
6 A' 1014 979 107.49      
7 A' 796 768 39.52      
8 A' 404 390 2.10      
9 A' 250 241 9.97      
10 A" 922 890 100.14      
11 A" 730 705 3.21      
12 A" 249 240 3.81      

Unscaled Zero Point Vibrational Energy (zpe) 7550.9 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 7288.9 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 MP2/SDD
ABC
1.70371 0.07514 0.07197

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.494 0.000
C2 1.064 -0.344 0.000
Cl3 -1.701 -0.172 0.000
F4 2.379 0.208 0.000
H5 0.071 1.581 0.000
H6 1.063 -1.432 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.35421.82722.39601.08852.2000
C21.35422.77041.42602.16511.0880
Cl31.82722.77044.09782.49283.0379
F42.39601.42604.09782.68492.1021
H51.08852.16512.49282.68493.1713
H62.20001.08803.03792.10213.1713

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 119.017 C1 C2 H6 128.197
C2 C1 Cl3 120.378 C2 C1 H5 124.478
Cl3 C1 H5 115.145 F4 C2 H6 112.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability