data_global _chemical_name_mineral 'Sanromanite' loop_ _publ_author_name 'Schluter J' 'Malcherek T' 'Pohl D' _journal_name_full 'Neues Jahrbuch fur Mineralogie, Abhandlungen' _journal_volume 183 _journal_year 2007 _journal_page_first 117 _journal_page_last 121 _publ_section_title ; Sanromanite, from the Santa Rosa mine, Atacama desert, Chile, a new mineral of the burbankite group ; _database_code_amcsd 0014726 _chemical_compound_source 'Santa Rosa mine, near Iquique, Chile' _chemical_formula_sum '(Na2 Ca) Pb3 C5 O15' _cell_length_a 10.5702 _cell_length_b 10.5702 _cell_length_c 6.6509 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 643.543 _exptl_crystal_density_diffrn 5.200 _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 NaA 0.52324 -0.52324 0.31990 0.66667 0.01520 CaA 0.52324 -0.52324 0.31990 0.33333 0.01520 PbB 0.84317 -0.84317 0.00000 1.00000 0.01980 C1 0.79440 -0.79440 0.54960 1.00000 0.01100 C2 0.33333 0.66667 0.49500 1.00000 0.01300 C3 0.00000 0.00000 0.84600 1.00000 0.01000 O1 0.38480 0.08680 0.64060 1.00000 0.02000 O2 0.93040 -0.93040 0.35020 1.00000 0.02200 O3 0.40330 -0.40330 0.50710 1.00000 0.01800 O4 0.77220 -0.77220 0.37340 1.00000 0.01900 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 NaA 0.01120 0.01120 0.02200 0.00460 0.00030 -0.00030 CaA 0.01120 0.01120 0.02200 0.00460 0.00030 -0.00030 PbB 0.01830 0.01830 0.02230 0.00870 0.00020 -0.00020 C1 0.00900 0.00900 0.01400 0.00500 0.00000 0.00000 C2 0.01700 0.01700 0.00500 0.00900 0.00000 0.00000 C3 0.00800 0.00800 0.01500 0.00400 0.00000 0.00000 O1 0.02100 0.01400 0.02200 0.00700 -0.00700 0.00500 O2 0.01400 0.01400 0.03900 0.00800 0.00200 -0.00200 O3 0.02000 0.02000 0.01600 0.01300 -0.00200 0.00200 O4 0.02500 0.02500 0.01200 0.01700 -0.00200 0.00200