I'm interested in using Chimera to visualize oligopeptide structures computed with Gaussian09 as ribbon structures... that is I'd like to be able to render an alpha helix backbone as a ribbon and then select specific residues/ligands to be rendered as tube or ball & stick models. While I can save or convert the Gaussian output file to a variety of formats, they do not inherently contain the information necessary for such a rendering of the structure, as one would find in a true .pdb file.

So my question is... Is Chimera the correct place to start for creating such representations? If so, can you please point me to any documentation that would assist me in doing so?