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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-191.287176
Energy at 298.15K-191.289081
HF Energy-190.962689
Nuclear repulsion energy90.134063
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/LANL2DZ
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' 3284 3163 1.21      
2 A' 3279 3158 9.60      
3 A' 1636 1576 11.56      
4 A' 1313 1265 1.12      
5 A' 1241 1195 3.50      
6 A' 1017 979 106.96      
7 A' 805 775 40.11      
8 A' 407 392 1.93      
9 A' 250 241 10.54      
10 A" 938 904 101.55      
11 A" 756 728 3.20      
12 A" 253 244 4.21      

Unscaled Zero Point Vibrational Energy (zpe) 7589.9 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 7309.9 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/LANL2DZ
ABC
1.71764 0.07539 0.07222

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.486 0.000
C2 1.061 -0.357 0.000
Cl3 -1.700 -0.154 0.000
F4 2.376 0.192 0.000
H5 0.088 1.570 0.000
H6 1.057 -1.445 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.35441.81622.39451.08852.2008
C21.35442.76771.42562.15861.0880
Cl31.81622.76774.09082.48433.0438
F42.39451.42564.09082.67142.1022
H51.08852.15862.48432.67143.1670
H62.20081.08803.04382.10223.1670

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 118.909 C1 C2 H6 128.269
C2 C1 Cl3 120.913 C2 C1 H5 123.805
Cl3 C1 H5 115.282 F4 C2 H6 112.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability