#------------------------------------------------------------------------------ #$Date: 2008-01-13 22:15:36 +0000 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/1/1001369.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_1001369 _chemical_name_systematic 'Sodium molybdenum(III) diphosphate' _chemical_formula_structural 'Na Mo (P2 O7)' _chemical_formula_sum 'Mo Na O7 P2' _publ_section_title ; A Mo(III) Phosphate with a Cage Structure: Na Mo P~2~ O~7~ ; loop_ _publ_author_name 'Leclaire, A' 'Borel, M M' 'Grandin, A' 'Raveau, B' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 76 _journal_year 1988 _journal_page_first 131 _journal_page_last 135 _cell_length_a 7.4195(3) _cell_length_b 8.1084(4) _cell_length_c 9.7598(4) _cell_angle_alpha 90 _cell_angle_beta 111.868(3) _cell_angle_gamma 90 _cell_volume 544.9 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P 1 21/c 1' _symmetry_Int_Tables_number 14 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,1/2+y,1/2-z' '-x,-y,-z' 'x,1/2-y,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Mo3+ 3.000 P5+ 5.000 Na1+ 1.000 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 Mo1 Mo3+ 4 e 0.25843(2) 0.00547(2) 0.24845(1) 1. 0 d P1 P5+ 4 e 0.07446(6) 0.25293(6) 0.45875(5) 1. 0 d P2 P5+ 4 e -0.32763(6) 0.21689(6) 0.45738(5) 1. 0 d Na1 Na1+ 4 e 0.28421(23) 0.48235(22) 0.28787(19) 1. 0 d O1 O2- 4 e 0.53989(21) 0.08981(20) 0.35713(17) 1. 0 d O2 O2- 4 e 0.30868(25) -0.20968(18) 0.38279(15) 1. 0 d O3 O2- 4 e 0.17033(27) 0.12870(21) 0.39527(19) 1. 0 d O4 O2- 4 e -0.02348(20) -0.08760(17) 0.13034(16) 1. 0 d O5 O2- 4 e 0.19160(26) 0.22060(18) 0.12102(16) 1. 0 d O6 O2- 4 e 0.37151(22) -0.10667(18) 0.09997(16) 1. 0 d O7 O2- 4 e -0.12504(21) 0.16453(19) 0.44471(19) 1. 0 d _refine_ls_R_factor_all 0.035