data_global _amcsd_formula_title 'Mn2(NH4)4(P6O18)(C2O4).6H2O' loop_ _publ_author_name 'Averbuch-Pouchot M T' 'Durif A' _journal_name_full 'Acta Crystallographica, Section C' _journal_volume 46 _journal_year 1990 _journal_page_first 965 _journal_page_last 968 _publ_section_title ; Crystal chemistry of cyclo-hexaphosphates. IX. structure of tetraammonium dimanganese cyclo-hexaphosphate oxalate hexahydrate ; _database_code_amcsd 0010138 _chemical_formula_sum 'Mn P3 O14 N2 C H6' _cell_length_a 9.747 _cell_length_b 9.751 _cell_length_c 7.689 _cell_angle_alpha 99.92 _cell_angle_beta 105.88 _cell_angle_gamma 100.08 _cell_volume 673.084 _exptl_crystal_density_diffrn 2.062 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Mn 0.84208 0.11847 0.70887 0.01507 P1 0.17081 0.40931 0.37697 0.01381 P2 0.63293 -0.21426 0.63010 0.01507 P3 0.37492 -0.35663 0.31710 0.01520 OE11 0.03940 0.41700 0.22850 0.02128 OE12 0.15360 0.38090 0.55380 0.02318 OL12 0.75750 0.70640 0.71690 0.01874 OL13 0.70600 0.44590 0.56850 0.02191 OE21 0.70290 -0.08710 0.57610 0.02596 OE22 0.54590 -0.19850 0.75830 0.02837 OL23 0.54190 -0.33150 0.44080 0.01925 OE31 0.35910 -0.44380 0.13180 0.02584 OE32 0.33390 -0.21690 0.33010 0.02888 O1 0.03480 0.02100 0.79360 0.02140 O2 0.14510 0.91560 0.01010 0.02330 Wat1 0.90750 0.16550 0.47500 0.02647 Wat2 -0.00200 0.67390 0.13870 0.02432 Wat3 0.56530 0.94810 0.18810 0.06763 N1 0.30200 0.28500 0.87980 0.02989 N2 0.72160 0.29890 0.16660 0.03432 C 0.94760 0.01920 0.05640 0.01608