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

using model chemistry: CCD/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 CCD/6-31+G**
 hartrees
Energy at 0K-636.384870
Energy at 298.15K-636.386962
HF Energy-635.787898
Nuclear repulsion energy139.688743
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 CCD/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' 3323 3131 0.81      
2 A' 3316 3125 11.51      
3 A' 1758 1656 19.01      
4 A' 1355 1277 0.02      
5 A' 1290 1215 8.05      
6 A' 1158 1091 171.94      
7 A' 913 860 47.08      
8 A' 455 429 1.98      
9 A' 277 261 7.39      
10 A" 929 875 68.51      
11 A" 806 760 4.62      
12 A" 272 257 1.88      

Unscaled Zero Point Vibrational Energy (zpe) 7925.4 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 7468.1 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 CCD/6-31+G**
ABC
1.80761 0.08148 0.07796

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.473 0.000
C2 1.018 -0.381 0.000
Cl3 -1.637 -0.084 0.000
F4 2.292 0.088 0.000
H5 0.136 1.543 0.000
H6 0.958 -1.459 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32921.72912.32391.07842.1561
C21.32922.67191.35702.11691.0790
Cl31.72912.67193.93242.40592.9365
F42.32391.35703.93242.60122.0421
H51.07842.11692.40592.60123.1120
H62.15611.07902.93652.04213.1120

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 119.791 C1 C2 H6 126.779
C2 C1 Cl3 121.217 C2 C1 H5 122.767
Cl3 C1 H5 116.016 F4 C2 H6 113.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability