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

using model chemistry: QCISD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-636.658703
Energy at 298.15K-636.660819
HF Energy-635.874883
Nuclear repulsion energy140.555786
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 QCISD/6-311+G(3df,2p)
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' 3255 3104 0.95      
2 A' 3248 3097 12.98      
3 A' 1728 1648 27.91      
4 A' 1342 1280 0.32      
5 A' 1260 1202 3.82      
6 A' 1169 1115 181.23      
7 A' 907 865 46.50      
8 A' 459 438 1.82      
9 A' 276 263 6.08      
10 A" 937 894 53.85      
11 A" 830 791 7.06      
12 A" 277 264 1.38      

Unscaled Zero Point Vibrational Energy (zpe) 7843.5 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 7480.4 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 QCISD/6-311+G(3df,2p)
ABC
1.81806 0.08253 0.07894

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.479 0.000
C2 1.017 -0.370 0.000
Cl3 -1.627 -0.087 0.000
F4 2.275 0.080 0.000
H5 0.133 1.550 0.000
H6 0.941 -1.448 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32481.72222.31001.07922.1437
C21.32482.65911.33652.11381.0801
Cl31.72222.65913.90582.40272.9061
F42.31001.33653.90582.59822.0287
H51.07922.11382.40272.59823.1043
H62.14371.08012.90612.02873.1043

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 120.454 C1 C2 H6 125.796
C2 C1 Cl3 120.996 C2 C1 H5 122.787
Cl3 C1 H5 116.217 F4 C2 H6 113.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability