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

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/6-31+G**
 hartrees
Energy at 0K-636.433203
Energy at 298.15K-636.435241
HF Energy-635.787203
Nuclear repulsion energy139.290032
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 QCISD(T)=FULL/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' 3296 3296        
2 A' 3290 3290        
3 A' 1705 1705        
4 A' 1336 1336        
5 A' 1273 1273        
6 A' 1130 1130        
7 A' 893 893        
8 A' 446 446        
9 A' 272 272        
10 A" 902 902        
11 A" 766 766        
12 A" 266 266        

Unscaled Zero Point Vibrational Energy (zpe) 7787.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7787.2 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 QCISD(T)=FULL/6-31+G**
ABC
1.79110 0.08105 0.07754

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.476 0.000
C2 1.020 -0.387 0.000
Cl3 -1.641 -0.079 0.000
F4 2.298 0.081 0.000
H5 0.139 1.546 0.000
H6 0.957 -1.466 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33601.73242.33201.07952.1643
C21.33602.67871.36172.12491.0802
Cl31.73242.67873.94272.41032.9446
F42.33201.36173.94272.60992.0476
H51.07952.12492.41032.60993.1211
H62.16431.08022.94462.04763.1211

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 119.638 C1 C2 H6 126.894
C2 C1 Cl3 121.076 C2 C1 H5 122.863
Cl3 C1 H5 116.062 F4 C2 H6 113.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability