data_global _amcsd_formula_title 'H32 N12 O16 P4' loop_ _publ_author_name 'Averbuch-Pouchot M' 'Durif A' _journal_name_full 'European Journal of Solid State and Inorganic Chemistry' _journal_volume 30 _journal_year 1993 _journal_page_first 471 _journal_page_last 482 _publ_section_title ; (Tris)guanidinium cyclotriphosphate and (tetra)guanidinium cyclotetraphosphate: two new examples of organic-cation cyclophosphates _cod_database_code 1007204 ; _database_code_amcsd 0012577 _chemical_formula_sum 'P O4 C N3 H8' _cell_length_a 9.634 _cell_length_b 18.112 _cell_length_c 7.292 _cell_angle_alpha 90 _cell_angle_beta 103.86 _cell_angle_gamma 90 _cell_volume 1235.341 _exptl_crystal_density_diffrn 1.689 _symmetry_space_group_name_H-M 'P 1 21/a 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z P1 0.01465 0.11561 0.90950 P2 0.84111 0.02635 0.10330 O1 0.39910 0.35040 0.76180 O2 0.85780 0.84000 0.01400 O3 0.04690 0.91110 0.91770 O4 0.05350 0.04050 0.81880 O5 0.75180 0.50740 0.08440 O6 0.72290 0.54910 0.74200 O7 0.77040 0.95720 0.55710 O8 0.44050 0.66990 0.52830 C1 0.49800 0.84300 0.26870 C2 -0.00570 0.66660 0.76530 N1 0.12130 0.31010 0.82070 N2 0.49560 0.91170 0.32470 N3 0.38060 0.19410 0.69720 N4 0.86340 0.68650 0.67590 N5 0.90130 0.28610 0.21510 N6 -0.01610 0.40050 0.16410 H1 0.20000 0.33100 0.81300 H2 0.11900 0.26900 0.84400 H3 0.08500 0.44000 0.71200 H4 0.44600 0.06700 0.63100 H5 0.61600 0.76000 0.28200 H6 0.80100 0.32800 0.65600 H7 0.35700 0.78400 0.63200 H8 0.70800 0.15600 0.33900 H9 0.92400 0.24800 0.26800 H10 0.15900 0.69500 0.80000 H11 0.59000 0.91800 0.86200 H12 0.44500 0.92800 0.82500 H13 0.29400 0.50500 0.47300 H14 0.23200 0.01500 0.37800 H15 -0.00400 0.84000 0.46100 H16 0.08200 0.13700 0.43700