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All results from a given calculation for CHFCHClz ((Z)-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-636.283308
Energy at 298.15K-636.285657
HF Energy-635.777770
Nuclear repulsion energy145.611792
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' 3373 3122 8.30      
2 A' 3344 3096 3.77      
3 A' 1837 1700 54.62      
4 A' 1444 1337 26.90      
5 A' 1329 1230 28.67      
6 A' 1145 1060 92.89      
7 A' 862 798 17.87      
8 A' 690 639 21.81      
9 A' 208 193 1.67      
10 A" 956 885 0.25      
11 A" 813 753 40.21      
12 A" 476 441 9.22      

Unscaled Zero Point Vibrational Energy (zpe) 8238.1 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 7626.9 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 CISD/6-31G*
ABC
0.55290 0.12425 0.10145

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 0.866 0.000
C2 1.243 0.425 0.000
Cl3 -1.373 -0.169 0.000
F4 1.554 -0.874 0.000
H5 -0.210 1.922 0.000
H6 2.106 1.073 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.31941.71992.33271.07662.1157
C21.31942.68291.33502.08681.0786
Cl31.71992.68293.01012.39343.6937
F42.33271.33503.01013.30572.0231
H51.07662.08682.39343.30572.4664
H62.11571.07863.69372.02312.4664

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 122.998 C1 C2 H6 123.520
C2 C1 Cl3 123.412 C2 C1 H5 120.800
Cl3 C1 H5 115.788 F4 C2 H6 113.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability