#------------------------------------------------------------------------------ #$Date: 2013-03-28 18:17:04 +0200 (Thu, 28 Mar 2013) $ #$Revision: 77586 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/87/1008752.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_1008752 loop_ _publ_author_name 'le Page, Y' 'Strobel, P' _publ_section_title ; Structure of Iron(II) Molybdenum(IV) Oxide Fe2 Mo3 O8 ; _journal_coden_ASTM ACBCAR _journal_name_full 'Acta Crystallographica B (24,1968-38,1982)' _journal_page_first 1265 _journal_page_last 1267 _journal_volume 38 _journal_year 1982 _chemical_compound_source synthetic _chemical_formula_structural 'Fe2 Mo3 O8' _chemical_formula_sum 'Fe2 Mo3 O8' _chemical_name_mineral Kamiokite _chemical_name_systematic 'Diiron trimolybdenum(IV) oxide' _symmetry_cell_setting hexagonal _symmetry_Int_Tables_number 186 _symmetry_space_group_name_H-M 'P 63 m c' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_formula_units_Z 2 _cell_length_a 5.7732(6) _cell_length_b 5.7732(6) _cell_length_c 10.0542(11) _cell_volume 290.2 _exptl_crystal_density_meas 5.96 _refine_ls_R_factor_all 0.029 _cod_database_code 1008752 loop_ _symmetry_equiv_pos_as_xyz x,y,z -y,x-y,z y-x,-x,z -y,-x,z y-x,y,z x,x-y,z -x,-y,1/2+z y,y-x,1/2+z x-y,x,1/2+z y,x,1/2+z x-y,-y,1/2+z -x,y-x,1/2+z loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_22 _atom_site_aniso_U_23 _atom_site_aniso_U_33 Mo1 0.00273(10) 0.00179(10) 0.00006(7) 0.00273(10) -0.00006(7) 0.00283(10) Fe1 0.0067(3) 0.0033(6) 0. 0.0067(3) 0. 0.0033(4) Fe2 0.0052(3) 0.0026(3) 0. 0.0052(3) 0. 0.0024(4) O1 0.0040(13) 0.0020(13) 0. 0.0040(13) 0. 0.0051(20) O2 0.0053(14) 0.0026(19) 0. 0.0053(14) 0. 0.0048(19) O3 0.0041(9) 0.002(1) -0.0005(5) 0.0041(9) 0.0005(5) 0.0063(12) O4 0.005(1) 0.0022(11) 0.0006(6) 0.005(1) -0.0006(6) 0.0064(10) 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 Mo4+ 6 c 0.14605(3) -0.14605(3) 0.25 1. 0 d Fe1 Fe2+ 2 b 0.33333 0.66667 -0.04810(14) 1. 0 d Fe2 Fe2+ 2 b 0.33333 0.66667 0.51301(13) 1. 0 d O1 O2- 2 a 0. 0. 0.3906(7) 1. 0 d O2 O2- 2 b 0.33333 0.6667 0.1470(7) 1. 0 d O3 O2- 6 c 0.4883(4) -0.4883(4) 0.3629(4) 1. 0 d O4 O2- 6 c 0.1671(4) -0.1671(4) 0.6344(4) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Mo4+ 4.000 Fe2+ 2.000 O2- -2.000