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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-636.361193
Energy at 298.15K-636.363452
HF Energy-635.776521
Nuclear repulsion energy144.731644
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 QCISD/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' 3282 3126 8.81      
2 A' 3253 3098 3.08      
3 A' 1762 1678 45.85      
4 A' 1403 1336 23.21      
5 A' 1289 1228 22.69      
6 A' 1106 1053 81.86      
7 A' 835 795 16.32      
8 A' 668 636 19.17      
9 A' 202 192 1.55      
10 A" 883 841 0.17      
11 A" 772 736 38.78      
12 A" 451 430 8.18      

Unscaled Zero Point Vibrational Energy (zpe) 7953.4 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 7574.0 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 QCISD/6-31G*
ABC
0.54289 0.12325 0.10045

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.875 0.000
C2 1.253 0.425 0.000
Cl3 -1.378 -0.166 0.000
F4 1.555 -0.887 0.000
H5 -0.210 1.938 0.000
H6 2.126 1.071 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33131.72712.35031.08362.1349
C21.33132.69721.34702.10421.0857
Cl31.72712.69723.02122.40663.7162
F42.35031.34703.02123.33132.0398
H51.08362.10422.40663.33132.4912
H62.13491.08573.71622.03982.4912

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 122.695 C1 C2 H6 123.770
C2 C1 Cl3 123.222 C2 C1 H5 120.889
Cl3 C1 H5 115.889 F4 C2 H6 113.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability