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

using model chemistry: ROMP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-177.534991
Energy at 298.15K 
HF Energy-176.962287
Nuclear repulsion energy67.580694
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/Def2TZVPP
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' 3330 3330        
2 A' 3258 3258        
3 A' 3220 3220        
4 A' 1713 1713        
5 A' 1428 1428        
6 A' 1348 1348        
7 A' 1188 1188        
8 A' 947 947        
9 A' 485 485        
10 A" 975 975        
11 A" 870 870        
12 A" 739 739        

Unscaled Zero Point Vibrational Energy (zpe) 9749.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9749.9 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 ROMP2/Def2TZVPP
ABC
2.19285 0.35409 0.30486

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.433 0.000
C2 1.187 -0.153 0.000
F3 -1.145 -0.268 0.000
H4 -0.173 1.498 0.000
H5 1.282 -1.227 0.000
H6 2.070 0.464 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32411.34231.07962.09742.0703
C21.32412.33512.13971.07791.0769
F31.34232.33512.01612.61003.2972
H41.07962.13972.01613.08962.4702
H52.09741.07792.61003.08961.8650
H62.07031.07693.29722.47021.8650

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 121.323 C1 C2 H6 118.791
C2 C1 F3 122.272 C2 C1 H4 125.478
F3 C1 H4 112.250 H5 C2 H6 119.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.190      
2 C -0.177      
3 F -0.269      
4 H 0.089      
5 H 0.086      
6 H 0.081      


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> 42.988
(<r2>)1/2 6.557