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All results from a given calculation for CHFCHClz ((Z)-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-633.137627
Energy at 298.15K-633.139983
HF Energy-632.736946
Nuclear repulsion energy144.540245
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' 3344 3111 7.47      
2 A' 3307 3077 2.24      
3 A' 1803 1677 31.37      
4 A' 1465 1363 13.76      
5 A' 1343 1250 9.46      
6 A' 1121 1043 63.32      
7 A' 828 771 11.68      
8 A' 676 629 24.51      
9 A' 204 190 2.01      
10 A" 1016 945 0.82      
11 A" 826 769 46.72      
12 A" 484 450 10.36      

Unscaled Zero Point Vibrational Energy (zpe) 8208.1 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 7637.6 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
0.52877 0.12439 0.10070

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 0.889 0.000
C2 1.240 0.439 0.000
Cl3 -1.371 -0.175 0.000
F4 1.555 -0.892 0.000
H5 -0.220 1.942 0.000
H6 2.098 1.093 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31921.73562.36421.07592.1076
C21.31922.68311.36832.09511.0779
Cl31.73562.68313.01312.40973.6936
F42.36421.36833.01313.34392.0578
H51.07592.09512.40973.34392.4683
H62.10761.07793.69362.05782.4683

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 122.784
C2 C1 Cl3 122.295 C2 C1 H5 121.707
Cl3 C1 H5 115.998 F4 C2 H6 114.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability