ch4z2_text.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) 2006-2018 Free Software Foundation, Inc.
# 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 (GPL) version 2 as
# published by the Free Software Foundation.
# '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/>.
# The GPL2 license text is available in the internet at
# <http://www.gnu.org/licenses/gpl-2.0.html>.
########################################################################
bond 120 dotted
bond 120 length .3 ; BP
back bond -120 length .25 from BP ; H
front bond 120 length .25 from BP ; CH3
bond 60 length .5 from BP ; BP
bond -60 length .25 from BP ; H
# note the pic move command to position the text
move left .35 ; "(ANTI)"
front bond 60 length .25 from BP ; H
# another positioning of text
move right .35 ; "(SYN)"
bond 120 length .4 from BP ; BP
back bond -120 length .25 from BP ; H
front bond 120 length .25 from BP ; CH3
bond 60 length .5 from BP
bond 60 dotted
########################################################################
### Emacs settings
# Local Variables:
# mode: Nroff
# End:
.cend
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