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Diffstat (limited to 'contrib/chem/examples/122/chAd_chlorophyll.chem')
-rw-r--r-- | contrib/chem/examples/122/chAd_chlorophyll.chem | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/contrib/chem/examples/122/chAd_chlorophyll.chem b/contrib/chem/examples/122/chAd_chlorophyll.chem new file mode 100644 index 00000000..99495e38 --- /dev/null +++ b/contrib/chem/examples/122/chAd_chlorophyll.chem @@ -0,0 +1,71 @@ +chAd_chlorophyll.chem: +.br +.cstart + +# Example file for `chem': + +# This originates from Computing Science Technical Report No. 122 +# CHEM - A Program for Typesetting Chemical Diagrams: User Manual +# by Jon L. Bentley, Lynn W. Jelinski, Brian W. Kernighan +# <http://cm.bell-labs.com/cm/cs/cstr/122.ps.gz>. + +# Copyright (C) 2006, 2009 Free Software Foundation, Inc. + +# Last update: 5 Jan 2009 + +# This file is part of `chem', which is part of `groff'. + +# `groff' is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# `groff' is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +######################################################################## + + Mg + bond 45 ; N +R1: ring5 pointing up put N at 4 double 1,2 4,5 with .V4 at N + bond up from R1.V1 ; CH3 + bond right from R1.V2 ; CH2CH3 + bond 135 from Mg ; N +R2: ring5 pointing down put N at 3 double 1,2 4,5 with .V3 at N + bond right from R2.V5 ; CH3 + bond 225 from Mg ; N +R3: ring5 pointing down put N at 4 double 3,4 with .V4 at N + bond -45 from Mg ; N +R4: ring5 pointing up put N at 3 double 1,5 with .V3 at N + bond left from R4.V5 ; H3C + bond up from R4.V1 ; CH + double bond right length .1 from CH ; CH2 + double bond 150 length .3 from R1.V3 + bond to R2.V4 +R5: ring5 pointing 72 with .V5 at R2.V2 + double bond 135 from R5.V2 ; O + bond down from R5.V3 ; C + double bond left length .1 from C ; O + bond down from C ; O + CH3 left of O + double bond -25 from R5.V4 + bond down from R3.V1 ; CH2 + CH2 left of CH2 + bond left ; C + double bond -45 ; O + bond -135 from C ; C20H39O + bond left from R3.V2 ; H3C + double bond -150 length .3 from R4.V4 + bond to R3.V3 + +######################################################################## +### Emacs settings +# Local Variables: +# mode: Nroff +# End: +.cend |