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All results from a given calculation for CHFCHClz ((Z)-1-Chloro-2-fluoroethene)

using model chemistry: MP2/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-50.851143
Energy at 298.15K-50.853192
HF Energy-50.557514
Nuclear repulsion energy55.502144
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/CEP-31G
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' 3272 3162 21.04      
2 A' 3238 3129 3.76      
3 A' 1645 1590 32.19      
4 A' 1318 1274 19.67      
5 A' 1216 1175 9.26      
6 A' 976 943 86.79      
7 A' 748 723 13.50      
8 A' 600 579 18.59      
9 A' 185 178 2.16      
10 A" 790 764 2.40      
11 A" 721 697 74.90      
12 A" 405 391 11.65      

Unscaled Zero Point Vibrational Energy (zpe) 7556.1 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 7301.4 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 MP2/CEP-31G
ABC
0.49359 0.11306 0.09199

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.920 0.000
C2 1.306 0.473 0.000
Cl3 -1.439 -0.192 0.000
F4 1.631 -0.910 0.000
H5 -0.241 1.990 0.000
H6 2.193 1.117 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.38041.81892.45161.09682.2021
C21.38042.82501.42092.16691.0964
Cl31.81892.82503.15372.48913.8615
F42.45161.42093.15373.45212.1040
H51.09682.16692.48913.45212.5862
H62.20211.09643.86152.10402.5862

picture of (Z)-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 122.113 C1 C2 H6 125.122
C2 C1 Cl3 123.433 C2 C1 H5 121.598
Cl3 C1 H5 114.969 F4 C2 H6 112.765
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability