#------------------------------------------------------------------------------ #$Date: 2017-09-03 18:56:57 +0300 (Sun, 03 Sep 2017) $ #$Revision: 200141 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/80/1008031.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_1008031 loop_ _publ_author_name 'Boudjada, A' 'Masse, R' 'Guitel, J C' _publ_section_title ; Structure cristalline de l'orthophosphate monoacide de strontium: SrHPO~4~\a: forme triclinique ; _journal_coden_ASTM ACBCAR _journal_issue 9 _journal_name_full ; Acta Crystallographica, Section B: Structural Crystallography and Crystal Chemistry ; _journal_page_first 2692 _journal_page_last 2695 _journal_paper_doi 10.1107/S0567740878009036 _journal_volume 34 _journal_year 1978 _chemical_formula_structural 'Sr H P O4' _chemical_formula_sum 'H O4 P Sr' _chemical_name_systematic 'Strontium hydrogenphosphate - \a' _space_group_IT_number 2 _symmetry_cell_setting triclinic _symmetry_Int_Tables_number 2 _symmetry_space_group_name_Hall '-P 1' _symmetry_space_group_name_H-M 'P -1' _cell_angle_alpha 94.68(1) _cell_angle_beta 104.97(1) _cell_angle_gamma 88.77(1) _cell_formula_units_Z 4 _cell_length_a 7.184(1) _cell_length_b 6.790(1) _cell_length_c 7.256(1) _cell_volume 340.8 _exptl_crystal_density_meas 3.58 _refine_ls_R_factor_all 0.036 _cod_database_code 1008031 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,-y,-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 Sr1 Sr2+ 2 i 0.2889(1) 0.4476(1) 0.2519(1) 1. 0 d Sr2 Sr2+ 2 i 0.1803(1) 0.8432(1) 0.6836(1) 1. 0 d P1 P5+ 2 i 0.7915(2) 0.6266(2) 0.2890(2) 1. 0 d P2 P5+ 2 i 0.2987(2) 0.9498(2) 0.2129(2) 1. 0 d O1 O2- 2 i 0.8647(6) 0.8093(6) 0.4170(6) 1. 0 d O2 O2- 2 i 0.6532(6) 0.5086(6) 0.3675(6) 1. 0 d O3 O2- 2 i 0.6747(7) 0.6928(7) 0.0842(6) 1. 0 d O4 O2- 2 i 0.9487(6) 0.4913(6) 0.2461(6) 1. 0 d O5 O2- 2 i 0.1037 0.0646(6) 0.1570(6) 1. 0 d O6 O2- 2 i 0.3252(7) 0.8164(7) 0.0444(6) 1. 0 d O7 O2- 2 i 0.4554(7) 0.1058(7) 0.2812(8) 1. 0 d O8 O2- 2 i 0.2967(7) 0.8170(7) 0.3744(7) 1. 0 d H1 H1+ 2 i -1. -1. -1. 2. 0 dum loop_ _atom_type_symbol _atom_type_oxidation_number Sr2+ 2.000 P5+ 5.000 O2- -2.000 H1+ 1.000