Tetragonal sphere packings: minimal densities and subunits.
For all 382 types of homogeneous sphere packings with tetragonal symmetry, the minimal sphere-packing densities have been calculated. The tabulated coordinates allow the graphic representation of a sample packing for each type. 1- and 2-periodic subunits of these sphere packings are listed in addition.
Fischer
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Institut für Mineralogie, Petrologie und Kristallographie der Philipps-Universität Marburg, Hans-Meerwein-Strasse, D-35032 Marburg, Germany. drwerner.fischer@staff.uni-marburg.de