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

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-636.393703
Energy at 298.15K-636.395955
HF Energy-635.788502
Nuclear repulsion energy144.523317
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/6-31+G**
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' 3320 3138 5.38      
2 A' 3297 3117 6.69      
3 A' 1746 1651 53.40      
4 A' 1395 1319 26.65      
5 A' 1281 1211 22.21      
6 A' 1085 1026 101.84      
7 A' 830 785 17.98      
8 A' 663 627 19.42      
9 A' 201 190 1.80      
10 A" 878 830 0.08      
11 A" 761 720 48.94      
12 A" 444 420 7.83      

Unscaled Zero Point Vibrational Energy (zpe) 7950.0 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 7516.0 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/6-31+G**
ABC
0.54397 0.12248 0.09997

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.870 0.000
C2 1.257 0.427 0.000
Cl3 -1.383 -0.162 0.000
F4 1.560 -0.893 0.000
H5 -0.202 1.929 0.000
H6 2.127 1.067 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33251.72502.35371.07862.1357
C21.33252.70441.35412.09381.0796
Cl31.72502.70443.03232.40133.7181
F42.35371.35413.03233.32672.0397
H51.07862.09382.40133.32672.4829
H62.13571.07963.71812.03972.4829

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 122.339 C1 C2 H6 124.265
C2 C1 Cl3 123.883 C2 C1 H5 120.181
Cl3 C1 H5 115.936 F4 C2 H6 113.396
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability