data_global _chemical_name_mineral 'Stellerite' loop_ _publ_author_name 'Arletti R' 'Mazzucato E' 'Vezzalini G' _journal_name_full 'American Mineralogist' _journal_volume 91 _journal_year 2006 _journal_page_first 628 _journal_page_last 634 _publ_section_title ; Influence of dehydration kinetics on T-O-T bridge breaking in zeolites with framework type STI: The case of stellerite Sample: T = 740 K Note: occupancies invented to match formula ; _database_code_amcsd 0004142 _chemical_compound_source 'Seremida, Sardinia, Italy' _chemical_formula_sum 'Ca1.14 Na.14 Si15.84 Al3.56 O38.13 H1.22' _cell_length_a 13.5426 _cell_length_b 17.557 _cell_length_c 17.102 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 4066.298 _exptl_crystal_density_diffrn 1.962 _symmetry_space_group_name_H-M 'A m m a' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2+y,1/2+z' '1/2+x,y,-z' '1/2+x,1/2+y,1/2-z' '1/2-x,-y,z' '1/2-x,1/2-y,1/2+z' 'x,-y,z' 'x,1/2-y,1/2+z' '-x,y,-z' '-x,1/2+y,1/2-z' '1/2-x,y,z' '1/2-x,1/2+y,1/2+z' '1/2+x,-y,-z' '1/2+x,1/2-y,1/2-z' '-x,-y,-z' '-x,1/2-y,1/2-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 Ca1 0.25000 0.24300 0.05100 0.40000 0.04400 Na1 0.25000 0.24300 0.05100 0.05000 0.04400 Ca4 0.25000 0.50000 0.18700 0.34000 0.04400 Na4 0.25000 0.50000 0.18700 0.04000 0.04400 SiT1 0.13800 0.33400 0.13700 0.55000 0.06300 AlT1 0.13800 0.33400 0.13700 0.07000 0.06300 SiT1P 0.13480 0.27450 0.37620 0.88000 0.06300 AlT1P 0.13480 0.27450 0.37620 0.22000 0.06300 SiT3 0.05510 0.41340 0.28730 0.88000 0.06300 AlT3 0.05510 0.41340 0.28730 0.22000 0.06300 SiT4 0.13370 0.17510 0.22430 0.88000 0.06300 AlT4 0.13370 0.17510 0.22430 0.22000 0.06300 SiT5 0.00000 0.30910 0.00000 0.88000 0.06300 AlT5 0.00000 0.30910 0.00000 0.22000 0.06300 SiT1D 0.14100 0.41090 0.11600 0.33000 0.06300 AlT1D 0.14100 0.41090 0.11600 0.05000 0.06300 O1 0.07300 0.36300 0.05800 1.00000 0.08400 O1P 0.07200 0.24820 0.45500 1.00000 0.08400 O3 0.12800 0.23900 0.15200 1.00000 0.08400 O3P 0.12300 0.21000 0.31070 1.00000 0.08400 O4 0.11800 0.39600 0.20600 1.00000 0.08400 O4P 0.11000 0.35770 0.34500 1.00000 0.08400 O7 0.25000 0.36700 0.10000 1.00000 0.08400 O7P 0.25000 0.27200 0.40600 1.00000 0.08400 O8 0.07100 0.10000 0.21400 1.00000 0.08400 O9 0.08200 0.50000 0.31000 1.00000 0.08400 O10 0.25000 0.14200 0.22100 1.00000 0.08400 OD 0.13900 0.50000 0.09700 0.76000 0.08400 Wat 0.25000 0.00000 0.30300 0.61000 0.18000