data_1001237 _chemical_name_systematic ; Rubidium phosphorus tungsten oxide (.8/4/16/56) ; _chemical_formula_structural 'Rb.8 P4 W16 O56' _chemical_formula_sum 'O56 P4 Rb.8 W16' _publ_section_title ; Rb~x~ P~8~ W~32~ O~112~: A Tunnel Structure Built up from Re O~3~-Type Blocks and P~2~ O~7~ Groups ; loop_ _publ_author_name 'Giroult, J P' 'Goreaud, M' 'Labbe, P' 'Raveau, B' _journal_name_full 'Acta Crystallographica B (24,1968-38,1982)' _journal_coden_ASTM ACBCAR _journal_volume 36 _journal_year 1980 _journal_page_first 2570 _journal_page_last 2575 _cell_length_a 16.194(3) _cell_length_b 3.7719(4) _cell_length_c 17.095(4) _cell_angle_alpha 90 _cell_angle_beta 93.89(2) _cell_angle_gamma 90 _cell_volume 1041.8 _cell_formula_units_Z 1 _symmetry_space_group_name_H-M 'P 1 2/c 1' _symmetry_Int_Tables_number 13 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,y,1/2-z' '-x,-y,-z' 'x,-y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Rb1+ 1.000 P5+ 5.000 W6+ 5.700 O2- -2.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Rb1 Rb1+ 2 d 0.5 0. 0.5 0.4 0 d P1 P5+ 4 g 0.4316(4) 0.4062(15) 0.1456(3) 0.5 0 d P2 P5+ 4 g 0.4317(4) 0.5936(16) 0.1450(4) 0.5 0 d W1 W6+ 4 g 0.15094(3) 0.48884(15) 0.21246(3) 1. 0 d W2 W6+ 4 g 0.35917(3) 0.53926(15) 0.32722(2) 1. 0 d W3 W6+ 4 g 0.25863(3) 0.47253(18) 0.52189(2) 1. 0 d W4 W6+ 4 g 0.05192(3) 0.50512(11) 0.40526(3) 1. 0 d O1 O2- 2 c 0. 0.5 0. 1. 0 d O2 O2- 4 g 0.2141(17) 0.4784(85) 0.1143(16) 0.5 0 d O3 O2- 4 g 0.2134(22) 0.5144(97) 0.1152(20) 0.5 0 d O4 O2- 4 g 0.1635(6) 0.4991(34) 0.4613(6) 1. 0 d O5 O2- 4 g 0.0532(7) 0.4885(39) 0.1522(7) 1. 0 d O6 O2- 4 g 0.1033(6) 0.4959(29) 0.3060(6) 1. 0 d O7 O2- 4 g 0.3273(11) 0.4602(63) 0.4248(9) 0.5 0 d O8 O2- 4 g 0.3215(14) 0.5537(79) 0.4221(12) 0.5 0 d O9 O2- 4 g 0.3769(14) 0.4535(79) 0.0766(13) 0.5 0 d O10 O2- 4 g 0.3766(88) 0.05472(88) 0.0778(15) 0.5 0 d O11 O2- 4 g 0.2613(16) 0.4521(86) 0.2741(14) 0.5 0 d O12 O2- 4 g 0.2636(13) 0.5442(76) 0.2714(12) 0.5 0 d O13 O2- 4 g 0.4117(15) 0.4418(77) 0.2228(14) 0.5 0 d O14 O2- 4 g 0.4156(13) 0.5724(61) 0.2235(11) 0.5 0 d O15 O2- 4 g 0.4787(15) 0.4379(84) 0.3743(14) 0.5 0 d O16 O2- 4 g 0.4806(12) 0.5449(69) 0.3730(11) 0.5 0 d O17 O2- 4 g 0.2625(1) 0.0037(53) 0.0217(9) 0.5 0 d O18 O2- 4 g 0.2839(14) 0.0065(60) 0.0123(11) 0.5 0 d O19 O2- 4 g 0.1706(13) -0.0041(57) 0.2065(11) 0.5 0 d O20 O2- 4 g 0.1483(13) -0.0004(52) 0.2114(10) 0.5 0 d O21 O2- 4 g 0.3845(13) 0.0139(62) 0.3179(11) 0.5 0 d O22 O2- 4 g 0.3571(15) 0.0102(76) 0.3311(14) 0.5 0 d O23 O2- 4 g 0.0557(7) 0.0008(31) 0.4044(7) 1. 0 d O24 O2- 4 g 0.4112(13) 0.0042(66) 0.1537(13) 0.5 0 d _refine_ls_R_factor_all 0.038