return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: wB97X-D/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 wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-177.777367
Energy at 298.15K 
HF Energy-177.777367
Nuclear repulsion energy67.879681
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 wB97X-D/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' 3297 3297 2.20 40.97 0.71 0.83
2 A' 3217 3217 9.29 124.80 0.21 0.35
3 A' 3192 3192 2.92 30.08 0.19 0.32
4 A' 1757 1757 106.57 16.45 0.09 0.17
5 A' 1429 1429 4.39 2.52 0.58 0.74
6 A' 1354 1354 3.33 17.55 0.55 0.71
7 A' 1209 1209 92.29 2.98 0.08 0.15
8 A' 961 961 27.17 4.50 0.34 0.51
9 A' 490 490 3.77 1.32 0.62 0.76
10 A" 998 998 19.58 0.66 0.75 0.86
11 A" 900 900 51.13 1.13 0.75 0.86
12 A" 749 749 1.40 5.78 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9776.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9776.7 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 wB97X-D/6-31G(2df,p)
ABC
2.22773 0.35666 0.30744

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.425 0.000
C2 1.181 -0.162 0.000
F3 -1.142 -0.253 0.000
H4 -0.163 1.498 0.000
H5 1.279 -1.240 0.000
H6 2.076 0.446 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.31881.32821.08572.09942.0759
C21.31882.32522.13581.08281.0816
F31.32822.32522.00662.61453.2931
H41.08572.13582.00663.09462.4734
H52.09941.08282.61453.09461.8652
H62.07591.08163.29312.47341.8652

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 121.576 C1 C2 H6 119.397
C2 C1 F3 122.906 C2 C1 H4 125.023
F3 C1 H4 112.071 H5 C2 H6 119.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.098      
2 C -0.430      
3 F -0.111      
4 H 0.136      
5 H 0.154      
6 H 0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.919 0.732 0.000 1.175
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.037 -0.628 0.000
y -0.628 -15.108 0.000
z 0.000 0.000 -18.368
Traceless
 xyz
x -0.298 -0.628 0.000
y -0.628 2.594 0.000
z 0.000 0.000 -2.296
Polar
3z2-r2-4.592
x2-y2-1.928
xy-0.628
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.521 -0.518 0.000
y -0.518 3.457 0.000
z 0.000 0.000 1.917


<r2> (average value of r2) Å2
<r2> 42.398
(<r2>)1/2 6.511