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

using model chemistry: MP4/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/cc-pVTZ
 hartrees
Energy at 0K-636.702383
Energy at 298.15K-636.704447
HF Energy-635.883290
Nuclear repulsion energy139.876763
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 MP4/cc-pVTZ
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' 3237 3137        
2 A' 3230 3130        
3 A' 1683 1631        
4 A' 1321 1281        
5 A' 1240 1201        
6 A' 1151 1115        
7 A' 885 858        
8 A' 449 435        
9 A' 267 258        
10 A" 919 890        
11 A" 791 767        
12 A" 271 263        

Unscaled Zero Point Vibrational Energy (zpe) 7721.6 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 7483.8 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 MP4/cc-pVTZ
ABC
1.80040 0.08171 0.07816

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.483 0.000
C2 1.022 -0.372 0.000
Cl3 -1.635 -0.087 0.000
F4 2.287 0.078 0.000
H5 0.131 1.555 0.000
H6 0.938 -1.450 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33261.73122.32301.08012.1485
C21.33262.67181.34322.12321.0808
Cl31.73122.67183.92552.41152.9114
F42.32301.34323.92552.61372.0382
H51.08012.12322.41152.61373.1114
H62.14851.08082.91142.03823.1114

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 120.493 C1 C2 H6 125.484
C2 C1 Cl3 120.846 C2 C1 H5 122.946
Cl3 C1 H5 116.208 F4 C2 H6 114.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability