Behierite Range K J, Wildenauer M, Heyns A M Angewandte Chemie 100 (1988) 973-975 Extrem kurze nichtbindende sauerstoff-sauerstoff-abstande: Die kristallstrukturen von NbBO4, NaNb3O8 und NaTa3O8 Locality: synthetic Note: data from ICSD _database_code_amcsd 0011990 6.2141 6.2141 5.476 90 90 90 *I4_1/amd 0 -.25 .125 atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Nb 0 .75 .125 .0014 .0014 .0012 0 0 0 B 0 .25 .375 .0051 .0051 .0041 0 0 0 O 0 .0712 .1994 .0060 .0022 .0029 0 0 -.0002