Acenaphthylene Index

General properties

Symmetry point group C2v
Symmetry elements E     C2(z)     &sigmav(xz)     &sigmav(yz)
Irriducible representation &Gamma3N 20 A1 + 9 A2 + 20 B1 + 11 B2
Irriducible representation &Gammavib 19 A1 + 8 A2 + 18 B1 + 9 B2
Infrared active modes 19 A1 + 18 B1 + 9 B2
Single ionization energy (eV)
Adiab. = 7.66 Vert. = 7.86 (Exp. 8.12 ± 0.010)
Double ionization energy (eV)
Singlet: Adiab. = 20.48 Vert. = 21.32 (Exp. 21.4 ± 0.2)
Triplet: Adiab. = 20.45 Vert. = 20.66
Electron affinity (eV)
Adiab. = 0.71 Vert. = 0.57 (Exp. —)
Zero Point Energies (kcal/mol)
Anion = 99 Neutral = 101 Cation = 101 Dication S = 100
Static dipole polarizabilities (Å3)
Anion: &alphaxx = 33 &alphayy = 14 &alphazz = 32
Neutral: &alphaxx = 28 &alphayy = 11 &alphazz = 25
Cation: &alphaxx = 28 &alphayy = 9 &alphazz = 23
Dication S: &alphaxx = 25 &alphayy = 8 &alphazz = 24
Permanent dipole moment (Deb)
Anion: &mux = 0.00 &muy = 0.00 &muz = +0.87
Neutral: &mux = 0.00 &muy = 0.00 &muz = +0.37
Cation: &mux = 0.00 &muy = 0.00 &muz = -1.03
Dication S: &mux = 0.00 &muy = 0.00 &muz = -1.61
Dication T: &mux = 0.00 &muy = 0.00 &muz = +0.25
Rotational constants(cm-1)
Anion: A = 5.051e-02 B = 3.983e-02 C = 2.227e-02
Neutral: A = 5.028e-02 B = 4.058e-02 C = 2.245e-02
Cation: A = 5.136e-02 B = 3.975e-02 C = 2.241e-02
Dication S: A = 5.236e-02 B = 3.838e-02 C = 2.215e-02
Dication T: A = 5.098e-02 B = 3.931e-02 C = 2.220e-02
van der Waals coefficients (a.u.)#
Average static polarizability &alpha(0) = 145
Effective frequency &omega1 = 0.417
Homomolecular Hamaker constant (x10-3) C6 = 6.57
Coefficient of the retardated vdW interaction (x10-6) KAA = 0.838

#The full set of C6acenaphthylene, PAH for all PAHs in the database can be found here


Acenaphthylene Index