Silicon Duclos S J, Vohra Y K, Ruoff A L Physical Review Letters 58 (1987) 775-777 hcp-to-fcc transition in silicon at 78 GPa and studies to 100 GPa Locality: synthetic Sample: at P = 87 GPa Note: fcc structure stable above 78 GPa _database_code_amcsd 0015275 3.34 3.34 3.34 90 90 90 Fm3m atom x y z Si 0 0 0