/usr/share/xcrysden/examples/CRYSTALxx_input_files/argonite.r1 is in xcrysden-data 1.5.53-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | argonite
CRYSTAL
1 0 0
P M C N
4.9616 7.9705 5.7394
4
20 0.25 0.4151 0.2103
6 .25 .7627 0.085
8 0.25 0.9231 0.0952
8 .4729 .6801 .087
EXTPRT
STOP
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