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

using model chemistry: MP2=FULL/6-31G(2df,p)

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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-636.536751
Energy at 298.15K-636.538873
HF Energy-635.795664
Nuclear repulsion energy141.011315
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=FULL/6-31G(2df,p)
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' 3301 3103 10.20      
2 A' 3287 3089 5.38      
3 A' 1727 1623 28.72      
4 A' 1352 1270 0.44      
5 A' 1246 1171 3.33      
6 A' 1201 1129 154.36      
7 A' 917 861 40.94      
8 A' 463 435 1.81      
9 A' 272 256 5.74      
10 A" 957 900 40.57      
11 A" 822 773 12.75      
12 A" 283 266 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 7913.5 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 7437.9 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=FULL/6-31G(2df,p)
ABC
1.81950 0.08307 0.07944

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.486 0.000
C2 1.012 -0.371 0.000
Cl3 -1.621 -0.072 0.000
F4 2.271 0.048 0.000
H5 0.139 1.556 0.000
H6 0.906 -1.447 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32621.71422.31271.07832.1347
C21.32622.64921.32712.11551.0805
Cl31.71422.64923.89322.39692.8761
F42.31271.32713.89322.61142.0241
H51.07832.11552.39692.61143.0988
H62.13471.08052.87612.02413.0988

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 121.294 C1 C2 H6 124.667
C2 C1 Cl3 120.694 C2 C1 H5 122.903
Cl3 C1 H5 116.403 F4 C2 H6 114.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability