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

using model chemistry: MP2/6-31G(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 MP2/6-31G(2df,p)
 hartrees
Energy at 0K-636.498058
Energy at 298.15K-636.500346
HF Energy-635.796632
Nuclear repulsion energy145.830068
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3311 3127 8.41      
2 A' 3266 3085 5.15      
3 A' 1735 1639 54.16      
4 A' 1380 1303 21.62      
5 A' 1282 1211 34.75      
6 A' 1106 1045 63.26      
7 A' 837 791 16.39      
8 A' 676 638 18.45      
9 A' 197 186 1.27      
10 A" 901 851 0.27      
11 A" 774 731 33.93      
12 A" 465 439 7.20      

Unscaled Zero Point Vibrational Energy (zpe) 7965.0 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 7522.9 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 MP2/6-31G(2df,p)
ABC
0.55090 0.12519 0.10201

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.874 0.000
C2 1.246 0.412 0.000
Cl3 -1.368 -0.165 0.000
F4 1.541 -0.879 0.000
H5 -0.202 1.934 0.000
H6 2.111 1.063 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32911.71792.33431.07882.1198
C21.32912.67731.32472.10051.0827
Cl31.71792.67732.99562.40113.6898
F42.33431.32472.99563.30922.0244
H51.07882.10052.40113.30922.4715
H62.11981.08273.68982.02442.4715

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 123.195 C1 C2 H6 122.700
C2 C1 Cl3 122.452 C2 C1 H5 121.115
Cl3 C1 H5 116.434 F4 C2 H6 114.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability