Boron Parakhonskiy G, Dubrovinskaia N, Bykova E, Wirth R, Dubrovinsky L High Pressure Research 33 (2013) 673-683 High pressure synthesis and investigation of single crystals of metastable boron phases Note: alpha-tetragonal phase Locality: Synthetic _database_code_amcsd 0020599 8.708 8.708 5.0750 90 90 90 P4_2/nnm atom x y z B1 0 0 .5 B2 .1239 .1239 .3685 B3 .2458 .2458 .5897 B4 .3161 .1042 .3907 B5 .2288 .0827 .0819