Bohmite Hill R J Clays and Clay Minerals 29 (1981) 435-445 Hydrogen atoms in boehmite: A single crystal X-ray diffraction and molecular orbital study Locality: Tveidalen, Langesundsfjorden, Norway _database_code_amcsd 0019146 3.693 12.221 2.865 90 90 90 Amam atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Al .25 -.3178 .0 .0032 .0043 .0047 0 0 0 O1 .25 .2897 .0 .0027 .0062 .0066 0 0 0 O2 .25 .0809 .0 .0064 .0055 .0047 0 0 0 H .396 .038 .0 .04 .5