K Nb3 O15 P3 Leclaire A, Borel M, Grandin A, Raveau B Journal of Solid State Chemistry 80 (1989) 12-16 A Niobium Phosphate Bronze with a Tunnel Structure: K Nb3 P3 O15 _cod_database_code 1001407 _database_code_amcsd 0013651 13.3085 14.7382 6.4615 90 90 90 Pnnm atom x y z occ Nb1 .43757 .38721 0 Nb2 .69285 .27711 0 Nb3 .35872 -.02661 0 K1 .0086 .3233 .089 .5 P1 .27237 .20218 0 P2 .37506 .37936 .5 P3 .20613 .50253 0 O1 .5 .5 0 O2 .2999 .4445 0 O3 .3624 .2660 0 O4 .5659 .3256 0 O5 .4418 .3866 .3084 O6 .7709 .3966 0 O7 .6348 .1539 0 O8 .8316 .2169 0 O9 .7046 .2799 .3106 O10 .2958 .4533 .5 O11 .3129 .1058 0 O12 .1404 .4788 .1878 O13 .5 0 0