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All results from a given calculation for CHFCHCl ((E)-1-chloro-2-fluoroethene)

using model chemistry: CCSD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-636.425129
Energy at 298.15K-636.427219
HF Energy-635.809603
Nuclear repulsion energy139.221818
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/cc-pVDZ
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' 3267 3094 3.97      
2 A' 3259 3087 7.36      
3 A' 1743 1651 24.95      
4 A' 1327 1258 0.07      
5 A' 1239 1174 3.94      
6 A' 1175 1113 167.39      
7 A' 896 849 44.76      
8 A' 453 430 1.93      
9 A' 272 257 6.51      
10 A" 935 885 47.88      
11 A" 803 761 12.69      
12 A" 276 261 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 7822.1 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 7409.9 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 CCSD/cc-pVDZ
ABC
1.78306 0.08094 0.07742

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.485 0.000
C2 1.030 -0.371 0.000
Cl3 -1.643 -0.087 0.000
F4 2.297 0.077 0.000
H5 0.135 1.569 0.000
H6 0.940 -1.461 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33941.73962.33271.09282.1616
C21.33942.68791.34392.13681.0939
Cl31.73962.68793.94312.43032.9260
F42.33271.34393.94312.62642.0512
H51.09282.13682.43032.62643.1358
H62.16161.09392.92602.05123.1358

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 120.774 C1 C2 H6 125.034
C2 C1 Cl3 121.067 C2 C1 H5 122.610
Cl3 C1 H5 116.322 F4 C2 H6 114.192
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability