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All results from a given calculation for CHFCHClz ((Z)-1-Chloro-2-fluoroethene)

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-633.140338
Energy at 298.15K-633.142689
HF Energy-632.736870
Nuclear repulsion energy144.469562
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/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' 3340 3121 7.62      
2 A' 3303 3087 2.27      
3 A' 1796 1679 31.94      
4 A' 1462 1367 13.71      
5 A' 1341 1253 9.58      
6 A' 1117 1044 63.90      
7 A' 826 772 11.62      
8 A' 674 630 24.44      
9 A' 203 190 1.98      
10 A" 1014 947 0.75      
11 A" 825 771 46.97      
12 A" 483 451 10.38      

Unscaled Zero Point Vibrational Energy (zpe) 8191.9 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 7654.5 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/3-21G*
ABC
0.52790 0.12431 0.10062

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.890 0.000
C2 1.241 0.440 0.000
Cl3 -1.372 -0.175 0.000
F4 1.555 -0.893 0.000
H5 -0.220 1.943 0.000
H6 2.099 1.092 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31991.73642.36581.07602.1086
C21.31992.68411.36942.09601.0781
Cl31.73642.68413.01402.41093.6948
F42.36581.36943.01403.34582.0586
H51.07602.09602.41093.34582.4696
H62.10861.07813.69482.05862.4696

picture of (Z)-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 123.205 C1 C2 H6 122.802
C2 C1 Cl3 122.260 C2 C1 H5 121.713
Cl3 C1 H5 116.027 F4 C2 H6 113.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability