data_global _chemical_name_mineral 'Yarlongite' loop_ _publ_author_name 'Shi N' 'Ma Z' 'Xiong M' 'Dai M' 'Bai W' 'Fang Q' 'Yan B' 'Yang J' _journal_name_full 'Science in China' _journal_volume 48 _journal_year 2005 _journal_page_first 338 _journal_page_last 345 _publ_section_title ; The crystal structure of (Fe4Cr4Ni)9C4 ; _database_code_amcsd 0019976 _chemical_compound_source 'Luobusha ophiolite, Tibet' _chemical_formula_sum 'Cr11.515 Fe12.355 Ni2.867 C13.117' _cell_length_a 13.839 _cell_length_b 13.839 _cell_length_c 4.4960 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 745.704 _exptl_crystal_density_diffrn 7.190 _symmetry_space_group_name_H-M 'P 63 m c' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-x+y,1/2+z' 'x-y,x,1/2+z' '-y,-x,z' '-y,x-y,z' 'x-y,-y,1/2+z' '-x,-y,1/2+z' 'x,x-y,z' '-x+y,-x,z' 'y,x,1/2+z' 'y,-x+y,1/2+z' '-x+y,y,z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Cr1 0.12260 0.06130 0.60600 1.00000 0.00800 Cr2 0.43840 0.87670 -0.01600 0.93320 0.00100 Cr3 0.43920 0.06220 -0.02190 0.95250 0.00200 Fe4 0.33290 0.16650 0.79640 0.95420 0.00200 Fe5 0.33333 0.66667 0.81110 0.96600 0.00600 Fe6 0.22810 0.95570 0.78990 1.00000 0.00700 Fe7 0.22740 0.77260 0.80630 0.84200 0.00100 Ni8 0.27260 0.72740 0.30490 0.95560 0.00500 C1 0.39470 0.09480 -0.43100 0.85280 0.01100 C2 0.40060 0.80100 0.56800 1.00000 0.01700 C3 0.18500 0.09260 0.01200 1.00000 0.00500