Acenaphthene Index

General properties

Symmetry point group C2v
Symmetry elements E     C2(z)     &sigmav(xz)     &sigmav(yz)
Irriducible representation &Gamma3N 21 A1 + 11 A2 + 21 B1 + 13 B2
Irriducible representation &Gammavib 20 A1 + 10 A2 + 19 B1 + 11 B2
Infrared active modes 20 A1 + 19 B1 + 11 B2
Single ionization energy (eV)
Adiab. = 7.37 Vert. = 7.46 (Exp. 7.75 ± 0.05)
Double ionization energy (eV)
Singlet: Adiab. = 19.78 Vert. = 20.17 (Exp. 21.7 ± 0.2)
Triplet: Adiab. = 20.59 Vert. = 20.72
Electron affinity (eV)
Adiab. = -0.39 Vert. = -0.50 (Exp. —)
Zero Point Energies (kcal/mol)
Anion = 112 Neutral = 116 Cation = 116 Dication S = 115
Static dipole polarizabilities (Å3)
Anion: &alphaxx = 60 &alphayy = 35 &alphazz = 26
Neutral: &alphaxx = 28 &alphayy = 12 &alphazz = 24
Cation: &alphaxx = 28 &alphayy = 11 &alphazz = 25
Dication S: &alphaxx = 27 &alphayy = 9 &alphazz = 24
Permanent dipole moment (Deb)
Anion: &mux = 0.00 &muy = 0.00 &muz = +2.19
Neutral: &mux = 0.00 &muy = 0.00 &muz = +0.97
Cation: &mux = 0.00 &muy = 0.00 &muz = -0.003
Dication S: &mux = 0.00 &muy = 0.00 &muz = -0.55
Dication T: &mux = 0.00 &muy = 0.00 &muz = -1.04
Rotational constants(cm-1)
Anion: A = 4.689e-02 B = 3.876e-02 C = 2.139e-02
Neutral: A = 4.682e-02 B = 3.967e-02 C = 2.165e-02
Cation: A = 4.721e-02 B = 3.938e-02 C = 2.164e-02
Dication S: A = 4.746e-02 B = 3.892e-02 C = 2.155e-02
Dication T: A = 4.591e-02 B = 3.971e-02 C = 2.146e-02
van der Waals coefficients (a.u.)#
Average static polarizability &alpha(0) = 143
Effective frequency &omega1 = 0.439
Homomolecular Hamaker constant (x10-3) C6 = 6.76
Coefficient of the retardated vdW interaction (x10-6) KAA = 0.820

#The full set of C6acenaphthene, PAH for all PAHs in the database can be found here



Acenaphthene Index