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ch4g_BP.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/>.
########################################################################
# this is the isopropyl group
bond 120 ; BP # BP is right end of this bond
bond -120 from BP
bond right from BP ; C
front bond up ; CH3
back bond down from C ; D
bond right from C ; BP
# redefine BP to mean the center carbon of this t-butyl group
bond up from BP
bond right from BP
bond down from BP
########################################################################
### Emacs settings
# Local Variables:
# mode: Nroff
# End:
.cend
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