H6 Li6 O21 P6 Toumi M, Hlel F, Ben Chaabane T, Smiri L, Laligant Y, Emery J European Journal of Solid State and Inorganic Chemistry 45 (1998) 689-697 X-ray powder structure determination of Li6 P6 O18 . 3(H2 O) _cod_database_code 1000489 _database_code_amcsd 0012632 15.7442 15.7442 12.5486 90 90 120 R-3m atom x y z P1 .4784 .3322 .0343 O1 .4567 .3599 .1427 O2 .7093 .5959 -.0508 O3 .5734 .4266 -.0165 O4 .2595 .7405 .9387 O5 .2341 .7659 .6905 Li1 .3080 0 .5 Li2 .1899 .8101 .5826 H1 .17 .72 .74