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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-636.449893
Energy at 298.15K-636.451983
HF Energy-635.843821
Nuclear repulsion energy140.060881
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 MP2/6-311G*
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' 3273 3110 6.49      
2 A' 3265 3103 7.49      
3 A' 1713 1628 24.48      
4 A' 1339 1273 0.30      
5 A' 1270 1207 4.12      
6 A' 1170 1111 166.83      
7 A' 913 867 52.07      
8 A' 458 435 2.20      
9 A' 276 262 6.09      
10 A" 928 882 71.85      
11 A" 787 748 11.97      
12 A" 276 262 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 7833.2 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 7443.9 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 MP2/6-311G*
ABC
1.81328 0.08184 0.07831

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.478 0.000
C2 1.021 -0.379 0.000
Cl3 -1.633 -0.075 0.000
F4 2.286 0.065 0.000
H5 0.139 1.551 0.000
H6 0.935 -1.459 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33231.72452.32281.08202.1507
C21.33232.67141.34062.12121.0836
Cl31.72452.67143.92172.40532.9177
F42.32281.34063.92172.61082.0361
H51.08202.12122.40532.61083.1132
H62.15071.08362.91772.03613.1132

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 120.684 C1 C2 H6 125.479
C2 C1 Cl3 121.299 C2 C1 H5 122.613
Cl3 C1 H5 116.088 F4 C2 H6 113.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability