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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-636.282059
Energy at 298.15K-636.284227
HF Energy-635.776731
Nuclear repulsion energy140.474993
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 CISD/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' 3365 3115 6.37      
2 A' 3354 3105 6.81      
3 A' 1826 1690 26.23      
4 A' 1396 1292 0.07      
5 A' 1314 1217 5.25      
6 A' 1218 1128 170.79      
7 A' 934 865 51.69      
8 A' 471 436 2.01      
9 A' 285 264 7.22      
10 A" 988 915 54.45      
11 A" 861 797 16.43      
12 A" 289 268 2.67      

Unscaled Zero Point Vibrational Energy (zpe) 8150.6 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 7545.8 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 CISD/6-31G*
ABC
1.83616 0.08229 0.07876

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.472 0.000
C2 1.020 -0.365 0.000
Cl3 -1.629 -0.096 0.000
F4 2.277 0.098 0.000
H5 0.124 1.542 0.000
H6 0.957 -1.442 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31911.72512.30781.07722.1395
C21.31912.66251.34052.10681.0784
Cl31.72512.66253.91142.39882.9157
F42.30781.34053.91142.59252.0286
H51.07722.10682.39882.59253.0977
H62.13951.07842.91572.02863.0977

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 120.392 C1 C2 H6 126.057
C2 C1 Cl3 121.423 C2 C1 H5 122.773
Cl3 C1 H5 115.804 F4 C2 H6 113.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability