data_global _chemical_name_mineral 'Tochilinite' loop_ _publ_author_name 'Organova N I' 'Drits V A' 'Dmitrik A L' _journal_name_full 'Soviet Physics Crystallography' _journal_volume 18 _journal_year 1974 _journal_page_first 606 _journal_page_last 609 _publ_section_title ; Structural study of tochilinite. II. Acicular variety: Unusual diffraction patterns Note: sulfide layer portion of structure only Note: corrections to Fe5 from ICSD ; _database_code_amcsd 0015564 _chemical_formula_sum 'Fe4 S5' _cell_length_a 8.34 _cell_length_b 8.54 _cell_length_c 10.74 _cell_angle_alpha 87.33 _cell_angle_beta 94.5 _cell_angle_gamma 92 _cell_volume 761.381 _exptl_crystal_density_diffrn 1.674 _symmetry_space_group_name_H-M 'P 1' loop_ _space_group_symop_operation_xyz 'x,y,z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Fe1 0.29000 0.09200 0.00000 0.00253 Fe2 0.58200 0.20600 0.00000 0.00253 Fe3 0.90600 0.28700 0.00000 0.00253 Fe4 0.22600 0.41100 0.00000 0.00253 Fe5 0.71000 0.90800 0.00000 0.00253 Fe6 0.41800 0.79400 0.00000 0.00253 Fe7 0.09400 0.71300 0.00000 0.00253 Fe8 0.77400 0.58900 0.00000 0.00253 S1 0.50000 0.00000 0.12900 0.00253 S2 0.79000 0.10700 -0.12900 0.00253 S3 0.09300 0.20100 0.12900 0.00253 S4 0.38600 0.30700 -0.12900 0.00253 S5 0.69200 0.38700 0.12900 0.00253 S6 0.00000 0.50000 -0.12900 0.00253 S7 0.21000 0.89300 -0.12900 0.00253 S8 0.90700 0.79900 0.12900 0.00253 S9 0.61400 0.69300 -0.12900 0.00253 S10 0.30800 0.61100 0.12900 0.00253