#------------------------------------------------------------------------------ #$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/1/1007149.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_1007149 _chemical_name_systematic 'Bismut phosphate - high-temperature phase' _chemical_formula_structural 'Bi P O4' _chemical_formula_sum 'Bi O4 P' _publ_section_title ; Etude structurale de la forme haute temperature du monophosphate de bismuth Bi P O~4~ ; loop_ _publ_author_name 'Masse, R' 'Durif, A' _journal_name_full ; Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Serie 2 (1984-1993) ; _journal_coden_ASTM CRAMED _journal_volume 300 _journal_year 1985 _journal_page_first 849 _journal_page_last 851 _cell_length_a 4.871(3) _cell_length_b 7.073(3) _cell_length_c 4.709(3) _cell_angle_alpha 90 _cell_angle_beta 96.24(8) _cell_angle_gamma 90 _cell_volume 161.3 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P 1 21/m 1' _symmetry_Int_Tables_number 11 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,1/2+y,-z' '-x,-y,-z' 'x,1/2-y,z' loop_ _atom_type_symbol _atom_type_oxidation_number Bi3+ 3.000 P5+ 5.000 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 Bi1 Bi3+ 2 e 0.14343(9) 0.25 0.16750(9) 1. 0 d P1 P5+ 2 e 0.3736(6) 0.75 0.3042(6) 1. 0 d O1 O2- 2 e 0.678(2) 0.75 0.230(2) 1. 0 d O2 O2- 2 e 0.599(2) 0.25 0.368(2) 1. 0 d O3 O2- 4 f 0.208(1) 0.579(1) 0.174(2) 1. 0 d _refine_ls_R_factor_all 0.037