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

using model chemistry: MP2=FULL/6-31G

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=FULL/6-31G
 hartrees
Energy at 0K-636.046026
Energy at 298.15K-636.048212
HF Energy-635.693213
Nuclear repulsion energy140.518843
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
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' 3310 3145 5.79      
2 A' 3274 3111 2.84      
3 A' 1703 1618 26.15      
4 A' 1384 1315 18.28      
5 A' 1267 1204 7.21      
6 A' 1027 976 67.82      
7 A' 759 721 11.02      
8 A' 615 585 22.95      
9 A' 194 184 2.00      
10 A" 911 866 1.28      
11 A" 776 737 51.47      
12 A" 438 416 9.80      

Unscaled Zero Point Vibrational Energy (zpe) 7828.4 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 7437.7 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
ABC
0.50421 0.11677 0.09482

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.911 0.000
C2 1.271 0.492 0.000
Cl3 -1.416 -0.218 0.000
F4 1.619 -0.868 0.000
H5 -0.264 1.960 0.000
H6 2.136 1.147 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33851.81102.40531.08232.1489
C21.33852.77991.40402.12431.0843
Cl31.81102.77993.10422.46443.8052
F42.40531.40403.10423.39782.0800
H51.08232.12432.46443.39782.5339
H62.14891.08433.80522.08002.5339

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 122.560 C1 C2 H6 124.647
C2 C1 Cl3 123.226 C2 C1 H5 122.330
Cl3 C1 H5 114.445 F4 C2 H6 112.793
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability