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: B3LYPultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/TZVP
 hartrees
Energy at 0K-177.899593
Energy at 298.15K 
HF Energy-177.899593
Nuclear repulsion energy67.457712
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 B3LYPultrafine/TZVP
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' 3263 3143 2.10 39.96 0.69 0.81
2 A' 3204 3086 7.39 115.84 0.26 0.42
3 A' 3168 3052 0.92 67.70 0.17 0.29
4 A' 1712 1649 106.42 26.94 0.05 0.10
5 A' 1418 1367 4.21 4.24 0.38 0.55
6 A' 1341 1292 1.88 16.55 0.50 0.67
7 A' 1165 1123 108.78 1.81 0.25 0.40
8 A' 936 901 47.93 4.75 0.36 0.53
9 A' 490 472 3.98 2.29 0.68 0.81
10 A" 967 932 36.70 1.42 0.75 0.86
11 A" 892 859 56.25 1.79 0.75 0.86
12 A" 728 701 3.68 2.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9641.8 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 9288.9 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 B3LYPultrafine/TZVP
ABC
2.18483 0.35317 0.30403

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.435 0.000
C2 1.187 -0.138 0.000
F3 -1.144 -0.283 0.000
H4 -0.197 1.499 0.000
H5 1.299 -1.213 0.000
H6 2.074 0.479 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.31801.35101.08252.09862.0748
C21.31802.33622.14391.08151.0805
F31.35102.33622.01832.61473.3078
H41.08252.14392.01833.09802.4902
H52.09861.08152.61473.09801.8616
H62.07481.08053.30782.49021.8616

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 121.683 C1 C2 H6 119.443
C2 C1 F3 122.158 C2 C1 H4 126.247
F3 C1 H4 111.594 H5 C2 H6 118.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.100      
2 C -0.269      
3 F -0.202      
4 H 0.108      
5 H 0.136      
6 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.258 0.886 0.000 1.539
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.794 -0.835 0.000
y -0.835 -15.619 0.000
z 0.000 0.000 -19.241
Traceless
 xyz
x -0.364 -0.835 0.000
y -0.835 2.898 0.000
z 0.000 0.000 -2.534
Polar
3z2-r2-5.068
x2-y2-2.175
xy-0.835
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.851 -0.571 0.000
y -0.571 3.504 0.000
z 0.000 0.000 2.426


<r2> (average value of r2) Å2
<r2> 43.155
(<r2>)1/2 6.569