/usr/share/xcrysden/examples/CRYSTALxx_input_files/calcite.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 11 | InputFile by XCrystal 1.0
CRYSTAL
0 1 0
167
6.36 46.833
3
20 0.0 0.0 0.0
6 .25 .25 .25
8 0.007 .493 .25
EXTPRT
STOP
|