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

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-636.378627
Energy at 298.15K-636.380718
HF Energy-635.775783
Nuclear repulsion energy139.769307
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=FULL/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' 3280 3115 6.18      
2 A' 3266 3102 5.56      
3 A' 1759 1671 21.06      
4 A' 1356 1288 0.06      
5 A' 1280 1216 5.52      
6 A' 1184 1125 149.42      
7 A' 910 864 45.50      
8 A' 457 434 1.93      
9 A' 277 264 6.90      
10 A" 937 890 54.79      
11 A" 804 764 11.03      
12 A" 278 264 2.37      

Unscaled Zero Point Vibrational Energy (zpe) 7894.3 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 7498.0 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 CCSD=FULL/6-31G*
ABC
1.80773 0.08156 0.07804

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.475 0.000
C2 1.021 -0.375 0.000
Cl3 -1.636 -0.087 0.000
F4 2.289 0.087 0.000
H5 0.131 1.551 0.000
H6 0.951 -1.458 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32901.73022.32221.08362.1544
C21.32902.67331.34922.12161.0850
Cl31.73022.67333.92952.40972.9283
F42.32221.34923.92952.60812.0432
H51.08362.12162.40972.60813.1184
H62.15441.08502.92832.04323.1184

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 120.235 C1 C2 H6 126.067
C2 C1 Cl3 121.265 C2 C1 H5 122.813
Cl3 C1 H5 115.922 F4 C2 H6 113.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability