#------------------------------------------------------------------------------ #$Date: 2010-01-30 15:59:17 +0200 (Sat, 30 Jan 2010) $ #$Revision: 966 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1007160.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_1007160 _chemical_name_systematic 'Trilead tetraphosphate' _chemical_formula_structural 'Pb3 P4 O13' _chemical_formula_sum 'O13 P4 Pb3' _publ_section_title 'Structure of lead tetrapolyphosphate.' loop_ _publ_author_name 'Averbuch-Pouchot, M T' 'Durif, A' _journal_name_full 'Acta Crystallographica C (39,1983-)' _journal_coden_ASTM ACSCEE _journal_volume 43 _journal_year 1987 _journal_page_first 631 _journal_page_last 632 _cell_length_a 7.830(5) _cell_length_b 7.347(5) _cell_length_c 10.215(8) _cell_angle_alpha 104.35(1) _cell_angle_beta 101.81(1) _cell_angle_gamma 94.27(1) _cell_volume 552.4 _cell_formula_units_Z 2 _exptl_crystal_density_meas 5.73 _symmetry_space_group_name_H-M 'P -1' _symmetry_Int_Tables_number 2 _symmetry_cell_setting triclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_type_symbol _atom_type_oxidation_number Pb2+ 2.000 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 Pb1 Pb2+ 2 i 0.48156(9) 0.2464(1) 0.23124(7) 1. 0 d Pb2 Pb2+ 2 i 0.27124(9) 0.3042(1) 0.85226(7) 1. 0 d Pb3 Pb2+ 2 i 0.27198(9) 0.7926(1) 0.38156(7) 1. 0 d P1 P5+ 2 i 0.3036(6) 0.3312(6) 0.5099(5) 1. 0 d P2 P5+ 2 i 0.0343(6) 0.8614(7) 0.6613(5) 1. 0 d P3 P5+ 2 i 0.0410(6) 0.3614(7) 0.1388(5) 1. 0 d P4 P5+ 2 i 0.3039(6) 0.8146(7) 0.0295(5) 1. 0 d O1 O2- 2 i 0.647(2) 0.576(2) 0.335(1) 1. 0 d O2 O2- 2 i 0.613(2) 0.848(2) 0.530(1) 1. 0 d O3 O2- 2 i 0.322(2) 0.466(2) 0.421(1) 1. 0 d O4 O2- 2 i 0.904(2) 0.741(3) 0.524(1) 1. 0 d O5 O2- 2 i -0.007(2) 0.936(2) 0.313(2) 1. 0 d O6 O2- 2 i 0.785(2) 0.184(3) 0.344(3) 1. 0 d O7 O2- 2 i 0.038(2) 0.200(2) 0.219(1) 1. 0 d O8 O2- 2 i 0.984(2) 0.539(2) 0.215(2) 1. 0 d O9 O2- 2 i 0.216(2) 0.380(2) 0.107(1) 1. 0 d O10 O2- 2 i 0.901(2) 0.276(2) -0.003(1) 1. 0 d O11 O2- 2 i 0.308(2) -0.006(2) -0.018(2) 1. 0 d O12 O2- 2 i 0.378(2) 0.854(3) 0.185(1) 1. 0 d O13 O2- 2 i 0.613(2) 0.348(2) 0.051(1) 1. 0 d _refine_ls_R_factor_all 0.048 _cod_database_code 1007160