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

using model chemistry: CCSD(T)/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 CCSD(T)/6-31+G**
 hartrees
Energy at 0K-636.409892
Energy at 298.15K-636.411925
HF Energy-635.787042
Nuclear repulsion energy139.191922
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(T)/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' 3295 3161        
2 A' 3289 3156        
3 A' 1704 1635        
4 A' 1335 1281        
5 A' 1272 1221        
6 A' 1131 1085        
7 A' 893 857        
8 A' 446 428        
9 A' 272 261        
10 A" 899 863        
11 A" 761 730        
12 A" 265 254        

Unscaled Zero Point Vibrational Energy (zpe) 7779.8 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 7465.5 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(T)/6-31+G**
ABC
1.78712 0.08095 0.07744

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.477 0.000
C2 1.020 -0.387 0.000
Cl3 -1.642 -0.080 0.000
F4 2.300 0.082 0.000
H5 0.138 1.548 0.000
H6 0.957 -1.467 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33711.73372.33341.08042.1662
C21.33712.68041.36262.12711.0810
Cl31.73372.68043.94522.41202.9465
F42.33341.36263.94522.61212.0492
H51.08042.12712.41202.61213.1240
H62.16621.08102.94652.04923.1240

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 119.607 C1 C2 H6 126.908
C2 C1 Cl3 121.041 C2 C1 H5 122.912
Cl3 C1 H5 116.047 F4 C2 H6 113.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability