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

using model chemistry: ROMP2/6-31G(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 ROMP2/6-31G(2df,p)
 hartrees
Energy at 0K-177.427614
Energy at 298.15K 
HF Energy-176.896943
Nuclear repulsion energy67.687698
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 ROMP2/6-31G(2df,p)
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' 3357 3357        
2 A' 3269 3269        
3 A' 3244 3244        
4 A' 1729 1729        
5 A' 1435 1435        
6 A' 1357 1357        
7 A' 1204 1204        
8 A' 957 957        
9 A' 481 481        
10 A" 998 998        
11 A" 879 879        
12 A" 753 753        

Unscaled Zero Point Vibrational Energy (zpe) 9830.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9830.7 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 ROMP2/6-31G(2df,p)
ABC
2.21160 0.35455 0.30556

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.428 0.000
C2 1.186 -0.163 0.000
F3 -1.145 -0.256 0.000
H4 -0.163 1.499 0.000
H5 1.276 -1.239 0.000
H6 2.076 0.447 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32531.33381.08302.09952.0764
C21.32532.33352.14021.08001.0788
F31.33382.33352.01082.61373.2974
H41.08302.14022.01083.09282.4737
H52.09951.08002.61373.09281.8661
H62.07641.07883.29742.47371.8661

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 121.254 C1 C2 H6 119.110
C2 C1 F3 122.694 C2 C1 H4 125.113
F3 C1 H4 112.192 H5 C2 H6 119.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.187      
2 C -0.438      
3 F -0.237      
4 H 0.153      
5 H 0.171      
6 H 0.164      


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> 42.690
(<r2>)1/2 6.534