data_global _amcsd_formula_title 'Ho2Rh12As7' loop_ _publ_author_name 'Pivan J Y' 'Guerin R' 'Sergent M' _journal_name_full 'Journal of the Less-Common Metals' _journal_volume 107 _journal_year 1985 _journal_page_first 249 _journal_page_last 258 _publ_section_title ; Rh12As7, a host structure for rare earth elements: Crystal structures of Rh12As7 and Ho2Rh12As7 ; _database_code_amcsd 0014152 _chemical_formula_sum 'Ho Rh6 As3.5' _cell_length_a 9.892 _cell_length_b 9.892 _cell_length_c 3.859 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 327.019 _exptl_crystal_density_diffrn 10.608 _symmetry_space_group_name_H-M 'P 63/m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' 'y,-x+y,-z' '-y,x-y,z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x-y,x,-z' '-x+y,-x,z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x,-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 Ho 0.66667 0.33333 0.25000 1.00000 0.00456 RhI 0.06500 0.44600 0.25000 1.00000 0.00380 RhII 0.26300 0.14920 0.25000 1.00000 0.00621 AsI 0.00000 0.00000 0.10400 0.25000 0.00494 AsII 0.28900 0.40800 0.25000 1.00000 0.02406 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Ho 0.00521 0.00521 0.00211 0.00149 0.00000 0.00000 RhI 0.00558 0.00409 0.00272 0.00335 0.00000 0.00000 RhII 0.01227 0.00595 0.00317 0.00669 0.00000 0.00000 AsI 0.00483 0.00521 0.00453 0.00223 0.00000 0.00000 AsII 0.00669 0.00669 0.05734 0.00186 0.00000 0.00000