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

using model chemistry: MP2/6-311+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 MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-636.628945
Energy at 298.15K-636.631053
HF Energy-635.874659
Nuclear repulsion energy140.746822
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 MP2/6-311+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' 3264 3079 0.73      
2 A' 3257 3072 14.94      
3 A' 1697 1601 27.55      
4 A' 1332 1256 0.57      
5 A' 1249 1179 3.47      
6 A' 1161 1095 181.07      
7 A' 913 861 46.18      
8 A' 460 434 1.87      
9 A' 274 259 5.79      
10 A" 930 877 56.40      
11 A" 819 773 7.23      
12 A" 277 262 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 7815.6 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 7373.3 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 MP2/6-311+G(3df,2p)
ABC
1.81289 0.08283 0.07921

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.480 0.000
C2 1.010 -0.381 0.000
Cl3 -1.623 -0.069 0.000
F4 2.274 0.055 0.000
H5 0.148 1.549 0.000
H6 0.918 -1.457 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32771.71382.31361.07922.1441
C21.32772.65171.33742.11441.0799
Cl31.71382.65173.89942.39972.8954
F42.31361.33743.89942.59862.0316
H51.07922.11442.39972.59863.1036
H62.14411.07992.89542.03163.1036

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 120.478 C1 C2 H6 125.572
C2 C1 Cl3 120.818 C2 C1 H5 122.576
Cl3 C1 H5 116.606 F4 C2 H6 113.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability