/usr/share/xcrysden/examples/CRYSTALxx_input_files/pyrite.r1 is in xcrysden-data 1.5.60-1.
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 | pyrite
CRYSTAL
0 0 0
205
5.40
2
26 0.0 0.0 0.0
16 .386 .386 .386
EXTPRT
STOP
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