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In this work crystalline and amorphous Pi-conjugated structures are used to demonstrate the lower relative intensity in the LF region of Raman scattering in more ordered structures in comparison with less ordered. As crystal structures we used the organic semiconductors with a relatively high theoretically calculated electron mobility. Those are four derivatives of naphthalene diimides with cyclo-hexyl (NDI-CHex), hexyl (NDI-Hex), butyl (NDI-But) and cyclo-pentyl (NDI-Cpen) substituents. As amorphous organic samples we investigate DNA and ribosome (rRNA) biomolecules in different compactization states.