Rynersonite Jahnberg L Acta Chemica Scandinavica 17 (1963) 2548-2559 Crystal structure of orthorhombic CaTa2O6 Locality: synthetic _database_code_amcsd 0011896 11.068 7.505 5.378 90 90 90 Pnma atom x y z Biso Ca .042 .25 .540 1.0 Ta .1412 -.0056 .0376 .93 O1 -.024 .035 .225 .0 O2 .213 .049 .383 .6 O3 .146 .25 -.033 3.20 O4 .122 -.25 .162 1.5