Scripts are in Matlab / Octave format in zip files Tetragonal_script, SC_script and BCC_script. Data is in text format.
Data for figures in paper in the zip files Figure5.zip and Figuresand7.zip respectively in .dat files, which are text files with space separated values (fields identified at top of files), scripts for plotting figures using gnuplot in .gnu files.
Data for figure 4 in file Figure4_sdmass.zip is accessible using Matlab.