#------------------------------------------------------------------------------ #$Date: 2012-02-28 14:14:52 +0200 (Tue, 28 Feb 2012) $ #$Revision: 35911 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/16/1001611.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_1001611 _chemical_name_systematic 'Barium phyllo-tetramolybdo(V)diphosphate' _chemical_formula_structural 'Ba (Mo4 P2 O16)' _chemical_formula_sum 'Ba Mo4 O16 P2' _publ_section_title ; A molybdenum(V) monophosphate with a layer structure, BaMo~4~O~8~(PO~4~)~2~ ; loop_ _publ_author_name 'Borel, M M' 'Chardon, J' 'Leclaire, A' 'Grandin, A' 'Raveau, B' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 112 _journal_year 1994 _journal_page_first 317 _journal_page_last 321 _cell_length_a 7.475(1) _cell_length_b 7.475(1) _cell_length_c 11.156(1) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 623.3 _cell_formula_units_Z 2 _exptl_crystal_density_meas 4.7 _symmetry_space_group_name_H-M 'I -4 2 m' _symmetry_Int_Tables_number 121 _symmetry_cell_setting tetragonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,z' '-x,y,-z' 'x,-y,-z' '-y,x,-z' 'y,-x,-z' 'y,x,z' '-y,-x,z' '1/2+x,1/2+y,1/2+z' '1/2-x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '1/2+x,1/2-y,1/2-z' '1/2-y,1/2+x,1/2-z' '1/2+y,1/2-x,1/2-z' '1/2+y,1/2+x,1/2+z' '1/2-y,1/2-x,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Ba2+ 2.000 Mo5+ 5.000 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 Ba1 Ba2+ 2 a 0. 0. 0. 1. 0 d Mo1 Mo5+ 8 i 0.87680(3) 0.87680(3) 0.62921(3) 1. 0 d P1 P5+ 4 c 0.5 0. 0.5 1. 0 d O1 O2- 8 i 0.8704(3) 0.1296(3) 0.5872(3) 1. 0 d O2 O2- 16 j 0.6127(3) 0.8742(4) 0.5783(2) 1. 0 d O3 O2- 8 i 0.8591(4) 0.8591(4) 0.7793(3) 1. 0 d _refine_ls_R_factor_all 0.019 _cod_database_code 1001611