  The paper presents a cooperative consideration of Raman spectra of $^2$
amorphous carbons as well as the nature and type of their amorphicity. The
latter was attributed to the amorphization of a new type named as enforced
fragmentation. The fragments are stable graphenous molecules, which are the
basic structural units (BSUs) of the solids, determining them as amorphics with
molecular structure. Due to weak intermolecular interaction, BSUs, once
aggregated, are the main defendants for IR absorption and Raman scattering of
the solids, just justifying the consideration of them at molecular level. The
standard G-D-2D pattern of Raman spectra of polycyclic aromatic hydrocarbons,
$^2$ amorphous carbons, graphene and/or graphite crystal is attributed to
extended honeycomb composition of carbon atoms and are suggested as
manifestation of molecule-crystal dualism of graphenous materials. The
molecular approximation, applied to the analysis of one-phonon spectra of the
studied $^2$ ACs, makes it possible to trace a direct connection of the G-D
spectra image as well as their broadband structure with a considerable
dispersion of the C=C bond lengths within BSUs honeycomb structure, caused by
the influence of chemical action, deformation, etc. This approximation, applied
to the interpretation of two-phonon spectrum of graphenous molecules for the
first time, reveals a particular role of electrical anharmonicity in the
spectra formation and attributes this effect to a high degree of the electron
density delocalization. A size-stimulated transition from molecular to
quasi-particle phonon consideration of Raman spectra was experimentally traced,
which allowed evaluation of a free path of optical phonons in graphene crystal.
