#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/17/1001766.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1001766 loop_ _publ_author_name 'Borel, M-M' 'Leclaire, A' 'Chardon, J' 'Michel, C' 'Raveau, B' _publ_section_title ; New molybdeno- and tungstodiphosphates with the (N H4)2 Mo O2 P2 O7chain-like structure ; _journal_coden_ASTM CMCAEK _journal_name_full ; Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Ser. II (1994-) ; _journal_page_first 189 _journal_page_last 195 _journal_volume 324 _journal_year 1997 _chemical_formula_structural 'K2 (W P2 O9)' _chemical_formula_sum 'K2 O9 P2 W' _chemical_name_systematic 'Dipotassium catena-tungstodiphosphate' _space_group_IT_number 15 _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 15 _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 98.34(1) _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 13.766(1) _cell_length_b 8.002(1) _cell_length_c 15.497(1) _cell_volume 1689.0 _refine_ls_R_factor_all 0.039 _cod_database_code 1001766 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,y,1/2-z -x,-y,-z x,-y,1/2+z 1/2+x,1/2+y,z 1/2-x,1/2+y,1/2-z 1/2-x,1/2-y,-z 1/2+x,1/2-y,1/2+z 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 W1 W6+ 8 f 0.11472(5) 0.14487(9) 0.13527(4) 1. 0 d P1 P5+ 8 f 0.1283(3) 0.0821(5) 0.3443(2) 1. 0 d P2 P5+ 8 f -0.0367(3) 0.5596(2) 0.5768(2) 1. 0 d K1 K1+ 8 f 0.3543(2) 0.1619(5) 0.2613(2) 1. 0 d K2 K1+ 8 f 0.1436(2) 0.5817(4) -0.0216(2) 1. 0 d O1 O2- 8 f 0.1468(6) 0.331(1) 0.1866(6) 1. 0 d O2 O2- 8 f 0.2255(7) 0.075(1) 0.1120(6) 1. 0 d O3 O2- 8 f 0.0711(6) 0.250(1) 0.0195(6) 1. 0 d O4 O2- 8 f 0.1220(6) 0.019(1) 0.2491(8) 1. 0 d O5 O2- 8 f -0.0367(6) 0.181(1) 0.1449(6) 1. 0 d O6 O2- 8 f 0.0525(6) -0.088(1) 0.0821(6) 1. 0 d O7 O2- 8 f 0.1257(7) -0.090(1) 0.3965(6) 1. 0 d O8 O2- 8 f 0.2226(6) 0.167(1) 0.3780(6) 1. 0 d O9 O2- 8 f -0.0259(6) 0.352(1) 0.6296(6) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number W6+ 6.000 P5+ 5.000 K1+ 1.000 O2- -2.000