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

using model chemistry: ROMP2/STO-3G

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/STO-3G
 hartrees
Energy at 0K-174.669562
Energy at 298.15K 
HF Energy-174.529530
Nuclear repulsion energy66.148080
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/STO-3G
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' 3639 3639        
2 A' 3485 3485        
3 A' 3461 3461        
4 A' 1824 1824        
5 A' 1593 1593        
6 A' 1422 1422        
7 A' 1279 1279        
8 A' 1034 1034        
9 A' 481 481        
10 A" 1080 1080        
11 A" 921 921        
12 A" 727 727        

Unscaled Zero Point Vibrational Energy (zpe) 10473.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10473.4 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/STO-3G
ABC
2.14380 0.33660 0.29092

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.434 0.000
C2 1.214 -0.163 0.000
F3 -1.179 -0.261 0.000
H4 -0.115 1.537 0.000
H5 1.313 -1.255 0.000
H6 2.127 0.441 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.35231.36791.10902.13892.1272
C21.35232.39412.15731.09651.0950
F31.36792.39412.08852.68253.3793
H41.10902.15732.08853.13562.4957
H52.13891.09652.68253.13561.8809
H62.12721.09503.37932.49571.8809

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 121.376 C1 C2 H6 120.370
C2 C1 F3 123.313 C2 C1 H4 122.127
F3 C1 H4 114.560 H5 C2 H6 118.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.078      
2 C -0.154      
3 F -0.129      
4 H 0.067      
5 H 0.070      
6 H 0.069      


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> 43.520
(<r2>)1/2 6.597