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All results from a given calculation for CHFCHCl ((E)-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-636.530293
Energy at 298.15K-636.532408
HF Energy-635.795627
Nuclear repulsion energy140.422390
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' 3284 3105 8.32      
2 A' 3270 3092 5.07      
3 A' 1751 1656 27.87      
4 A' 1356 1282 0.10      
5 A' 1252 1184 3.06      
6 A' 1200 1134 158.28      
7 A' 903 854 42.54      
8 A' 459 434 1.81      
9 A' 272 257 6.13      
10 A" 959 907 39.93      
11 A" 828 783 11.93      
12 A" 280 265 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 7907.3 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 7476.3 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
1.81370 0.08232 0.07874

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 0.484 0.000
C2 1.023 -0.359 0.000
Cl3 -1.629 -0.097 0.000
F4 2.277 0.087 0.000
H5 0.118 1.558 0.000
H6 0.943 -1.438 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32601.72952.31101.07982.1409
C21.32602.66501.33042.11981.0819
Cl31.72952.66503.90982.40612.8999
F42.31101.33043.90982.61202.0263
H51.07982.11982.40612.61203.1071
H62.14091.08192.89992.02633.1071

picture of (E)-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 120.908 C1 C2 H6 125.211
C2 C1 Cl3 120.860 C2 C1 H5 123.230
Cl3 C1 H5 115.910 F4 C2 H6 113.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability