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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-177.581100
Energy at 298.15K-177.576814
HF Energy-176.877519
Nuclear repulsion energy68.201227
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3441 3441 7.82 36.92 0.62 0.77
2 A' 3405 3405 9.74 101.92 0.32 0.48
3 A' 3344 3344 0.61 59.97 0.16 0.27
4 A' 1889 1889 115.17 28.49 0.13 0.23
5 A' 1546 1546 6.82 4.10 0.50 0.66
6 A' 1448 1448 1.65 21.74 0.52 0.68
7 A' 1276 1276 117.93 2.22 0.14 0.25
8 A' 1025 1025 51.14 5.27 0.36 0.53
9 A' 520 520 5.71 1.65 0.69 0.82
10 A" 1089 1089 19.90 2.17 0.75 0.86
11 A" 1011 1011 65.01 2.89 0.75 0.86
12 A" 801 801 0.14 8.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10397.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10397.5 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 CBS-Q
ABC
2.17967 0.34992 0.30151

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.425 0.000
C2 1.175 -0.155 0.000
F3 -1.135 -0.259 0.000
H4 -0.173 1.487 0.000
H5 1.272 -1.227 0.000
H6 2.066 0.447 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.31071.32571.07552.08542.0663
C21.31072.31292.12421.07661.0753
F31.32572.31291.99382.59483.2785
H41.07552.12421.99383.07462.4685
H52.08541.07662.59483.07461.8531
H62.06631.07533.27852.46851.8531

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 121.438 C1 C2 H6 119.671
C2 C1 F3 122.637 C2 C1 H4 125.518
F3 C1 H4 111.845 H5 C2 H6 118.891
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability