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

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-632.950600
Energy at 298.15K-632.952693
HF Energy-632.624714
Nuclear repulsion energy136.707457
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 CID/3-21G
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' 3357 3127 7.05      
2 A' 3313 3086 1.03      
3 A' 1788 1665 15.64      
4 A' 1415 1318 0.36      
5 A' 1272 1185 4.82      
6 A' 1171 1091 93.07      
7 A' 817 761 39.28      
8 A' 432 403 2.52      
9 A' 271 253 8.55      
10 A" 1011 942 63.48      
11 A" 894 833 35.67      
12 A" 277 258 4.17      

Unscaled Zero Point Vibrational Energy (zpe) 8008.4 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 7460.6 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 CID/3-21G
ABC
1.76834 0.07762 0.07436

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.510 0.000
C2 1.059 -0.274 0.000
Cl3 -1.670 -0.227 0.000
F4 2.332 0.246 0.000
H5 0.021 1.584 0.000
H6 1.024 -1.352 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31771.82542.34701.07462.1243
C21.31772.72941.37512.12861.0781
Cl31.82542.72944.02992.47832.9187
F42.34701.37514.02992.67052.0651
H51.07462.12862.47832.67053.1023
H62.12431.07812.91872.06513.1023

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 121.272 C1 C2 H6 124.616
C2 C1 Cl3 119.671 C2 C1 H5 125.377
Cl3 C1 H5 114.952 F4 C2 H6 114.112
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability