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

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31+G**
 hartrees
Energy at 0K-637.111690
Energy at 298.15K-637.113754
HF Energy-636.914878
Nuclear repulsion energy139.574483
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=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' 3288 3127 0.91      
2 A' 3282 3121 14.07      
3 A' 1712 1628 21.88      
4 A' 1334 1269 0.23      
5 A' 1264 1202 4.57      
6 A' 1133 1078 191.16      
7 A' 888 844 60.41      
8 A' 449 427 1.59      
9 A' 273 259 6.56      
10 A" 922 877 71.10      
11 A" 802 763 7.10      
12 A" 271 257 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 7808.6 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 7426.0 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=FULL/6-31+G**
ABC
1.80736 0.08130 0.07780

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/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 -0.090 0.000
F4 2.293 0.095 0.000
H5 0.127 1.546 0.000
H6 0.966 -1.455 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32921.73332.32371.07982.1571
C21.32922.67641.35492.12021.0804
Cl31.73332.67643.93592.40772.9407
F42.32371.35493.93592.60682.0400
H51.07982.12022.40772.60683.1160
H62.15711.08042.94072.04003.1160

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 119.931 C1 C2 H6 126.756
C2 C1 Cl3 121.268 C2 C1 H5 122.976
Cl3 C1 H5 115.756 F4 C2 H6 113.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability