data_global _chemical_name_mineral 'Epistilbite' loop_ _publ_author_name 'Cruciani G' 'Martucci A' 'Meneghini C' _journal_name_full 'European Journal of Mineralogy' _journal_volume 15 _journal_year 2003 _journal_page_first 257 _journal_page_last 266 _publ_section_title ; Dehydration dynamics of epistilbite by in situ time resolved synchrotron powder diffraction T = 323 K ; _database_code_amcsd 0006967 _chemical_formula_sum 'Ca.36 (Al.726 Si2.274) O7.945 H3.89' _cell_length_a 9.1001 _cell_length_b 17.7564 _cell_length_c 10.2380 _cell_angle_alpha 90 _cell_angle_beta 124.624 _cell_angle_gamma 90 _cell_volume 1361.327 _exptl_crystal_density_diffrn 2.234 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-z' '-x,-y,-z' '1/2-x,1/2-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 Ca1 0.75160 0.00000 0.24780 0.47000 0.07000 Ca2 0.74640 0.00000 0.51060 0.25000 0.09300 AlT1 0.00440 0.08860 0.16640 0.24200 0.03100 SiT1 0.00440 0.08860 0.16640 0.75800 0.03100 AlT2 0.29900 0.20850 0.38790 0.24200 0.03100 SiT2 0.29900 0.20850 0.38790 0.75800 0.03100 AlT3 0.71920 0.19700 0.10690 0.24200 0.03100 SiT3 0.71920 0.19700 0.10690 0.75800 0.03100 O1 0.02530 0.00000 0.21830 1.00000 0.07000 O2 0.00000 0.09500 0.00000 1.00000 0.07000 O3 0.80760 0.11460 0.12760 1.00000 0.07000 O4 0.16960 0.13450 0.31740 1.00000 0.07000 O5 0.50000 0.18100 0.00000 1.00000 0.07000 O6 0.50000 0.16660 0.50000 1.00000 0.07000 O7 0.75000 0.25000 0.00000 1.00000 0.07000 O8 0.76600 0.21980 0.28170 1.00000 0.07000 O9 0.25000 0.25000 0.50000 1.00000 0.07000 Wat1 0.50000 0.00000 0.50000 1.00000 0.12800 Wat2 0.00000 0.08050 0.50000 0.95000 0.08300 Wat3 0.57020 0.08890 0.28950 0.97000 0.18200 Wat4 0.50000 0.00000 0.00000 1.00000 0.11700