AM_Boron_9 Formula: B13 Name: Boron Unit cell: 8.73 8.73 5.03 90.0 90.0 90.0 , V=383.35 Space group: P-4N2 (118)

Hoard J L , Geller S , Hughes R E , Journal of the American Chemical Society , 73 (1951) p.1892-1893, On the structure of elementary boron, Locality: synthetic