Boron Decker B F, Kasper J S Acta Crystallographica 12 (1959) 503-506 The crystal structure of a simple rhombohedral form of boron Locality: synthetic _database_code_amcsd 0009230 4.908 4.908 12.567 90 90 120 R-3m atom x y z B1 .1177 -.1177 -.1073 B2 .1961 -.1961 .0245