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

using model chemistry: B2PLYP=FULLultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-637.157211
Energy at 298.15K 
HF Energy-636.916630
Nuclear repulsion energy140.462311
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 B2PLYP=FULLultrafine/6-31G(2df,p)
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 3267 9.58      
2 A' 3251 3251 5.21      
3 A' 1719 1719 28.29      
4 A' 1344 1344 0.49      
5 A' 1240 1240 2.06      
6 A' 1185 1185 162.41      
7 A' 889 889 48.69      
8 A' 455 455 1.62      
9 A' 271 271 5.72      
10 A" 951 951 39.82      
11 A" 818 818 12.03      
12 A" 278 278 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 7833.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7833.2 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 B2PLYP=FULLultrafine/6-31G(2df,p)
ABC
1.82212 0.08229 0.07874

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.482 0.000
C2 1.023 -0.360 0.000
Cl3 -1.629 -0.094 0.000
F4 2.277 0.083 0.000
H5 0.117 1.555 0.000
H6 0.941 -1.439 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32531.72792.31201.07912.1388
C21.32532.66551.33022.11851.0816
Cl31.72792.66553.91032.40162.9003
F42.31201.33023.91032.61392.0253
H51.07912.11852.40162.61393.1047
H62.13881.08162.90032.02533.1047

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 121.069 C1 C2 H6 125.099
C2 C1 Cl3 121.057 C2 C1 H5 123.232
Cl3 C1 H5 115.711 F4 C2 H6 113.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability