UPDATE (16 March, 2017): This also works on macOS Sierra (10.12.3).
UPDATE: This also works on Mac OS X El Capitan (10.11.5).

One of the most popular pages here (well, there is little else) is the page about Platon for Mac OS X.

I mainly use a computer running Ubuntu for crystallography at work so I haven’t had to compile Platon, the essential crystallographic program, for my Mac. I have seen that some people have had problems compiling the program (remember you do need Xquartz, and a compiler for Fortran and C). I compiled platon, but I also had some difficulty doing so, although I have compiled previous versions without a problem. So, if you have a problem compiling using the standard instructions on the platon website, try this, and you should be able to compile it, without sudo, using:

gfortran -o platon platon.f xdrvr.c -I/opt/X11/include -L/opt/X11/lib -lX11

If you don’t use -I/opt/X11/include then it won’t find the X11 libraries that are above /opt/X11/lib.

Afterwards, copy it into somewhere like sudo cp platon /opt/platon2015 (check that it has run privileges (i.e., ls -g) and, if not, run chmod u+x platon). You can then add the folder that contains the executable to your path and add an alias if in you profile script (.bashrc/.bash_profile etc.) e.g., alias platon="/opt/platon2015/platon“.

You can then run it with, for example, on a shelx res file:

platon file.res

References: A.L.Spek, Acta Cryst. 2009, D65, 148-155.

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4 thoughts on “Platon on Mac OS X Yosemite (10.10)

    1. Hi, Yoann. If you have compiled and installed Platon (and you have Xquartz or X11 installed), the graphical interface should start when you start platon from the command line, i.e., platon example.res. If you want to run it in text mode, use platon -o example.res, replacing ‘example.res’ with the name of the res or cif you want to process.

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