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: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-177.852192
Energy at 298.15K 
HF Energy-177.852192
Nuclear repulsion energy66.944127
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 BLYP/cc-pVTZ
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' 3180 3170 3.52 45.46 0.70 0.82
2 A' 3113 3103 8.88 142.76 0.23 0.37
3 A' 3089 3080 1.39 55.43 0.16 0.27
4 A' 1648 1643 95.39 19.07 0.05 0.10
5 A' 1380 1375 4.22 4.68 0.45 0.63
6 A' 1300 1296 1.42 15.42 0.51 0.68
7 A' 1124 1121 84.55 1.58 0.24 0.38
8 A' 903 901 45.38 4.91 0.36 0.53
9 A' 473 472 3.79 1.85 0.62 0.76
10 A" 929 926 33.23 0.67 0.75 0.86
11 A" 849 846 42.14 1.63 0.75 0.86
12 A" 707 705 3.30 3.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9347.2 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 9319.2 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 BLYP/cc-pVTZ
ABC
2.16084 0.34716 0.29911

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.437 0.000
C2 1.198 -0.134 0.000
F3 -1.154 -0.289 0.000
H4 -0.201 1.507 0.000
H5 1.315 -1.214 0.000
H6 2.086 0.490 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32691.36361.08822.11132.0863
C21.32692.35662.15591.08631.0855
F31.36362.35662.03352.63693.3320
H41.08822.15592.03353.11482.5022
H52.11131.08632.63693.11481.8700
H62.08631.08553.33202.50221.8700

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 121.747 C1 C2 H6 119.386
C2 C1 F3 122.291 C2 C1 H4 126.135
F3 C1 H4 111.574 H5 C2 H6 118.866
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.132      
2 C -0.260      
3 F -0.176      
4 H 0.080      
5 H 0.114      
6 H 0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.052 0.775 0.000 1.306
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.668 -0.698 0.000
y -0.698 -15.802 0.000
z 0.000 0.000 -19.114
Traceless
 xyz
x -0.210 -0.698 0.000
y -0.698 2.589 0.000
z 0.000 0.000 -2.379
Polar
3z2-r2-4.757
x2-y2-1.866
xy-0.698
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.010 -0.479 0.000
y -0.479 3.767 0.000
z 0.000 0.000 2.390


<r2> (average value of r2) Å2
<r2> 43.650
(<r2>)1/2 6.607