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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-636.377262
Energy at 298.15K-636.379536
HF Energy-635.780590
Nuclear repulsion energy144.830387
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' 3323 3129 9.51      
2 A' 3295 3102 3.15      
3 A' 1768 1664 47.41      
4 A' 1412 1330 25.43      
5 A' 1295 1219 22.19      
6 A' 1108 1043 81.33      
7 A' 836 787 16.15      
8 A' 668 629 18.96      
9 A' 202 190 1.57      
10 A" 892 840 0.20      
11 A" 776 731 34.58      
12 A" 452 425 7.73      

Unscaled Zero Point Vibrational Energy (zpe) 8013.5 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 7543.9 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 QCISD/6-31G**
ABC
0.54448 0.12323 0.10049

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 0.873 0.000
C2 1.253 0.425 0.000
Cl3 -1.379 -0.165 0.000
F4 1.556 -0.887 0.000
H5 -0.205 1.931 0.000
H6 2.118 1.071 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33091.72602.34951.07782.1270
C21.33092.69681.34602.09691.0800
Cl31.72602.69683.02212.40273.7086
F42.34951.34603.02213.32352.0372
H51.07782.09692.40273.32352.4771
H62.12701.08003.70862.03722.4771

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 122.725 C1 C2 H6 123.500
C2 C1 Cl3 123.299 C2 C1 H5 120.685
Cl3 C1 H5 116.016 F4 C2 H6 113.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability