ORTEP Examples .dat -> ORTEP input file .ps -> Postscript file of illustration produced by ORTEP .hp -> HPGL file of illustration produced by ORTEP Regular ORTEP Drawings alpha-helix ahelix 2-amino-3-cyano-4,7-diphenyl-5-hydroxybenzofuran benzofuran amylose amylose cubane cubane cyclobutane (color) cyclobutane hydrogen yttrium oxalate trihydrate hyox3h magnesium hexaantipyrine perchlorate mgpyrin phenylhydroxynorbornanone norbornanone potassium perxenate 9-hydrate xenate tetrathiourea-tellurium(II) di(hydrogenfluoride) thiourea thorium nitrate pentahydrate thornitrate vitamin B-12 coenzyme b12 Protein Example lyso (see README.LYSO) Critical Net Drawings body-centered cubic critical net bcc diamond critical net diamond face-centered cubic critical net fcc graphite critical net graphite hexagonal close packed critical net hcp hexagonal diamond critical net hexdiamond sodium chloride critical net nacl