atp.chem:
.cstart

# Example file for 'chem':
#   ATP or C10_H16_N5_O13_P3 or
#   [[[5-(6-aminopurin-9-yl)-3,4-dihydroxy-oxolan-2-yl]methoxy-hydroxy-
#     phosphoryl]oxy-hydroxy-phosphoryl]oxyphosphonic acid

# Found at http://www.chemindustry.com/apps/chemicals.

# Copyright (C) 2006-2020 Free Software Foundation, Inc.
# Written by Bernd Warken <groff-bernd.warken-72@web.de>.

# 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.

# The GPL2 license text is available in the internet at
# <http://www.gnu.org/licenses/gpl-2.0.html>.

R1:	ring5 pointing left double 1,2 3,4 put N at 2 put N at 5
B:	benzene put N at 2 with .V6 at R1.V3 with .V5 at R1.V4
	bond up ; NH2
	backbond 170 length .7 from R1.V5
R2:	ring5 pointing down with .V2 put O at 1
	bond down at R2.V2 ; H
	bond down length .1 at R2.V3 ; H
	bond up length .1 at R2.V3 ; OH
	bond down length .1 at R2.V4 ; H
	bond up length .1 at R2.V4 ; OH
	frontbond 70 at R2.V5
	bond 110 ; O
	bond right ; P
	doublebond up ; O
	bond down from P ; OH
	bond right from P ; O
	bond right ; P
	doublebond up ; O
	bond down from P ; OH
	bond right from P ; O
	bond right ; P
	doublebond up ; O
	bond down from P ; OH
	bond right from P ; OH

# Local Variables:
# fill-column: 72
# mode: Nroff
# End:
# vim: set textwidth=72:
.cend