Boron Wyckoff R W G Crystal Structures 1 (1963) 7-83 Second edition. Interscience Publishers, New York, New York _database_code_amcsd 0011239 4.908 4.908 12.567 90 90 120 R-3m atom x y z B1 .1177 -.1177 -.1073 B2 .1961 -.1961 .0245