List of Abbreriations XXI HBD hydrogen-bond donor HOMO highest occupied molecular orbital E,I IP ionization energy kJ.mol-1 gas-chromatographic retention index (Kovats) NMR spin-spin coupling constant Hz rate c for monom olecula (L·mol-1s-l (n=1)and bimolecular (n =2) reactions rate constant in a reference solvent or (L.mol-1)-1.s-1 in the gas phase for monomolecular (=1)and bimolecular reactions n=2) ko the rate (Lmo-s1wit constant of unsub n=lor2 K,Ks equilibrium constant(concentration (mol.L-)24 basis:o=stoichiometric number) Ka:Kb acid and base ionization constants (mol L-1)z Kauto autoionization ion product, mol2.L-2 autoprotolysis constant equilibrium constants of association, (mol.L-1) dissociation,ionization,resp tautomerization reactions Kolw 1-octanol/water partition constant (Hansch and Leo) KB kauri-butanol number L desmotropic constant(K.H.Meyer) LUMO lowest unoccupied molecular orbital wavelength nm(∈10-9m) m mass of a particle g relative molecular mass of a substance ("molecular weight) M miscibility number(Godfrey MH microscopic hydrophobicity parameter of substituents(Menger) permanent electric dipole moment of C.m(or D) a molecule induced electric dipole moment of a C.m(or D) molecule HBD hydrogen-bond donor HOMO highest occupied molecular orbital Ei;I;IP ionization energy kJ
mol1 I gas-chromatographic retention index (Kova´ts) J NMR spin-spin coupling constant Hz k rate constant for monomolecular (n ¼ 1) and bimolecular (n ¼ 2) reactions (L
mol1)n1
s1 k0 rate constant in a reference solvent or in the gas phase for monomolecular (n ¼ 1) and bimolecular reactions (n ¼ 2) (L
mol1)n1
s1 k0 in Hammett equations the rate constant of unsubstituted substrates (L
mol1)n1
s1 with n ¼ 1 or 2 K; Kc equilibrium constant (concentration basis; v ¼ stoichiometric number) (mol
L1)Sv Ka; Kb acid and base ionization constants (mol
L1)Sv Kauto autoionization ion product, autoprotolysis constant mol2
L2 KAssoc; KDissoc, Kion; KT equilibrium constants of association, dissociation, ionization, resp. tautomerization reactions (mol
L1)Sv Ko=w 1-octanol/water partition constant (Hansch and Leo) KB kauri-butanol number L desmotropic constant (K. H. Meyer) LUMO lowest unoccupied molecular orbital l wavelength nm (¼ 109 m) m mass of a particle g Mr relative molecular mass of a substance (‘‘molecular weight’’) M miscibility number (Godfrey) MH microscopic hydrophobicity parameter of substituents (Menger) m empirical solvent softness parameter (Marcus) m permanent electric dipole moment of a molecule C
m (or D) mind induced electric dipole moment of a molecule C
m (or D) List of Abbreviations XXI