data_2001843 _journal_name_full 'Acta Crystallographica, Section C' _journal_year 1993 _journal_volume C49 _journal_page_first 435 _journal_page_last 437 loop_ _publ_author_name 'Elmokhtar, O.S.M.M.' 'Rzaigui, M.' 'Jouini, A.' _chemical_formula_moiety 'H16 Li2 N4 O18 P6,4(H2 O1)' _chemical_formula_sum 'H24 Li2 N4 O22 P6' _chemical_formula_weight 631.93 _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'P 1 21/c 1' _symmetry_space_group_name_Hall '-P 2ybc' _cell_length_a 9.429(2) _cell_length_b 15.824(3) _cell_length_c 7.9310(10) _cell_angle_alpha 90 _cell_angle_beta 106.260(10) _cell_angle_gamma 90 _cell_volume 1136 _cell_formula_units_Z 2 _exptl_crystal_density_diffrn 1.85 _exptl_crystal_density_meas ? _exptl_crystal_F_000 648 _exptl_absorpt_coefficient_mu 0.562 _diffrn_radiation_type Mo _diffrn_radiation_wavelength 0.7107 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z P(1) .50460(8) .11912(4) .12998(9) P(2) .21096(8) .40084(5) .39760(10) P(3) .76155(8) .03347(5) .35240(10) O(E11) .5735(2) .14560(10) -.0089(3) O(E12) .4772(3) .18520(10) .2492(3) O(L12) .3554(2) .43240(10) .5462(3) O(L23) .1696(2) .01500(10) .7844(3) O(E21) .2532(2) .33150(10) .2962(3) O(E22) .0912(2) .3873(2) .4813(3) O(E31) .2380(3) .02220(10) .4974(3) O(E32) .8321(2) .11710(10) .3812(3) O(L13) .5913(2) .45800(10) .7419(3) O(W1) .4841(3) .1319(2) .5816(3) O(W2) .8195(3) .2621(2) .1205(4) N(1) .0992(3) .3278(2) .8179(4) N(2) .7905(3) .4116(2) .3103(4) Li .4482(6) .3030(4) .2694(7) H1(W1) .403(6) .092(4) .555(8) H2(W1) .489(5) .348(3) -.001(7) H1(W2) .817(5) .206(3) .539(7) H2(W2) .765(6) .226(4) .105(8) H1(N1) .116(6) .347(3) .729(7) H2(N1) .864(5) .776(3) .682(7) H3(N1) .861(5) .632(3) .091(7) H4(N1) .979(6) .830(4) .673(8) H1(N2) .113(5) .587(3) .623(6) H2(N2) .205(5) .864(3) .247(6) H3(N2) .787(6) .048(4) .726(8) H4(N2) .267(6) .591(4) .615(8)