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All results from a given calculation for CH2CHF (Ethene, fluoro-)

using model chemistry: ROMP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at ROMP2/TZVP
 hartrees
Energy at 0K-177.438194
Energy at 298.15K 
HF Energy-176.952673
Nuclear repulsion energy67.476692
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 ROMP2/TZVP
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' 3342 3342        
2 A' 3272 3272        
3 A' 3232 3232        
4 A' 1718 1718        
5 A' 1437 1437        
6 A' 1361 1361        
7 A' 1182 1182        
8 A' 943 943        
9 A' 488 488        
10 A" 961 961        
11 A" 775 775        
12 A" 724 724        

Unscaled Zero Point Vibrational Energy (zpe) 9717.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9717.2 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 ROMP2/TZVP
ABC
2.17335 0.35390 0.30434

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.437 0.000
C2 1.187 -0.146 0.000
F3 -1.144 -0.277 0.000
H4 -0.187 1.501 0.000
H5 1.286 -1.221 0.000
H6 2.072 0.470 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32291.34831.08072.09792.0724
C21.32292.33512.14541.07911.0782
F31.34832.33512.01942.60663.3017
H41.08072.14542.01943.09492.4830
H52.09791.07912.60663.09491.8650
H62.07241.07823.30172.48301.8650

picture of Ethene, fluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.371 C1 C2 H6 118.978
C2 C1 F3 121.890 C2 C1 H4 126.099
F3 C1 H4 112.012 H5 C2 H6 119.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.166      
2 C -0.259      
3 F -0.259      
4 H 0.106      
5 H 0.130      
6 H 0.117      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 43.089
(<r2>)1/2 6.564