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

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-176.650239
Energy at 298.15K 
HF Energy-176.650239
Nuclear repulsion energy66.357198
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 PBEPBE/3-21G
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' 3219 3189 3.24 40.50 0.72 0.84
2 A' 3132 3103 5.98 131.12 0.16 0.27
3 A' 3114 3085 12.11 23.78 0.72 0.84
4 A' 1682 1666 76.57 9.13 0.09 0.17
5 A' 1434 1421 3.52 3.58 0.59 0.74
6 A' 1344 1332 1.23 17.24 0.64 0.78
7 A' 1160 1150 52.40 3.11 0.16 0.28
8 A' 934 926 18.58 5.30 0.39 0.56
9 A' 467 463 2.69 1.86 0.68 0.81
10 A" 974 965 30.44 0.70 0.75 0.86
11 A" 876 868 78.71 1.38 0.75 0.86
12 A" 719 713 1.92 9.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9527.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 9441.0 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 PBEPBE/3-21G
ABC
2.18053 0.33773 0.29244

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.431 0.000
C2 1.212 -0.123 0.000
F3 -1.171 -0.296 0.000
H4 -0.170 1.512 0.000
H5 1.345 -1.206 0.000
H6 2.097 0.513 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.33281.37891.09412.11902.0989
C21.33282.38952.14121.09111.0904
F31.37892.38952.06692.67583.3674
H41.09412.14122.06693.11212.4778
H52.11901.09112.67583.11211.8768
H62.09891.09043.36742.47781.8768

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 121.592 C1 C2 H6 119.697
C2 C1 F3 123.564 C2 C1 H4 123.546
F3 C1 H4 112.891 H5 C2 H6 118.711
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.070      
2 C -0.472      
3 F -0.237      
4 H 0.205      
5 H 0.220      
6 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.942 0.734 0.000 1.194
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.087 -0.564 0.000
y -0.564 -15.287 0.000
z 0.000 0.000 -18.789
Traceless
 xyz
x -0.049 -0.564 0.000
y -0.564 2.651 0.000
z 0.000 0.000 -2.602
Polar
3z2-r2-5.204
x2-y2-1.800
xy-0.564
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.280 -0.409 0.000
y -0.409 3.038 0.000
z 0.000 0.000 1.013


<r2> (average value of r2) Å2
<r2> 44.051
(<r2>)1/2 6.637