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

using model chemistry: CCSD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-636.532029
Energy at 298.15K-636.534326
HF Energy-635.796847
Nuclear repulsion energy145.593596
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 CCSD/6-31G(2df,p)
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' 3301 3121 7.52      
2 A' 3257 3080 4.04      
3 A' 1767 1671 52.99      
4 A' 1393 1317 24.09      
5 A' 1291 1221 35.10      
6 A' 1112 1052 67.11      
7 A' 834 789 15.17      
8 A' 674 637 19.75      
9 A' 200 189 1.40      
10 A" 917 867 0.10      
11 A" 782 739 32.35      
12 A" 463 438 6.88      

Unscaled Zero Point Vibrational Energy (zpe) 7995.5 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 7559.7 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 CCSD/6-31G(2df,p)
ABC
0.55191 0.12438 0.10150

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.873 0.000
C2 1.246 0.420 0.000
Cl3 -1.373 -0.173 0.000
F4 1.551 -0.869 0.000
H5 -0.210 1.931 0.000
H6 2.109 1.075 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32571.72562.33181.07872.1183
C21.32572.68531.32452.09811.0826
Cl31.72562.68533.00532.40363.6982
F42.33181.32453.00533.30722.0217
H51.07872.09812.40363.30722.4717
H62.11831.08263.69822.02172.4717

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 123.252 C1 C2 H6 122.864
C2 C1 Cl3 122.753 C2 C1 H5 121.177
Cl3 C1 H5 116.070 F4 C2 H6 113.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability