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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-31+G**
 hartrees
Energy at 0K-637.111694
Energy at 298.15K 
HF Energy-636.914883
Nuclear repulsion energy139.574151
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/6-31+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' 3288 3288 0.90      
2 A' 3282 3282 14.08      
3 A' 1712 1712 21.89      
4 A' 1334 1334 0.23      
5 A' 1264 1264 4.60      
6 A' 1133 1133 191.18      
7 A' 888 888 60.36      
8 A' 449 449 1.60      
9 A' 273 273 6.56      
10 A" 922 922 71.03      
11 A" 802 802 7.10      
12 A" 271 271 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 7808.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7808.7 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/6-31+G**
ABC
1.80718 0.08130 0.07780

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.474 0.000
C2 1.022 -0.376 0.000
Cl3 -1.639 -0.091 0.000
F4 2.293 0.095 0.000
H5 0.127 1.546 0.000
H6 0.966 -1.454 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32921.73342.32381.07982.1570
C21.32922.67631.35492.12031.0804
Cl31.73342.67633.93592.40782.9403
F42.32381.35493.93592.60712.0400
H51.07982.12032.40782.60713.1160
H62.15701.08042.94032.04003.1160

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 119.938 C1 C2 H6 126.748
C2 C1 Cl3 121.258 C2 C1 H5 122.985
Cl3 C1 H5 115.757 F4 C2 H6 113.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability