La3 Nb O7 Kahn-Harari A, Mazerolles L, Michel D, Robert F Journal of Solid State Chemistry 116 (1995) 103-106 Structural description of La3 Nb O7 _cod_database_code 1001651 _database_code_amcsd 0013862 7.747 11.149 7.611 90 90 90 Pnma atom x y z La1 .2506 .4759 .4494 La2 .0016 .25 .7668 Nb1 .9889 .25 .2516 O1 .9600 .3768 .4233 O2 .2487 .25 .3186 O3 .2491 .3811 .7242 O4 .9637 .8736 .9392