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 = 429 K ; _database_code_amcsd 0006968 _chemical_formula_sum 'Ca.375 (Al.726 Si2.274) O7.72 H3.44' _cell_length_a 9.1014 _cell_length_b 17.7326 _cell_length_c 10.2378 _cell_angle_alpha 90 _cell_angle_beta 124.607 _cell_angle_gamma 90 _cell_volume 1359.948 _exptl_crystal_density_diffrn 2.202 _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 0.74090 0.00000 0.23380 0.47000 0.06700 Ca2 0.74250 0.00000 0.51090 0.28000 0.07000 AlT1 0.00400 0.08680 0.16450 0.24200 0.03300 SiT1 0.00400 0.08680 0.16450 0.75800 0.03300 AlT2 0.29820 0.20790 0.38690 0.24200 0.03300 SiT2 0.29820 0.20790 0.38690 0.75800 0.03300 AlT3 0.71650 0.19500 0.10320 0.24200 0.03300 SiT3 0.71650 0.19500 0.10320 0.75800 0.03300 O1 0.02630 0.00000 0.21800 1.00000 0.07200 O2 0.00000 0.09190 0.00000 1.00000 0.07200 O3 0.80890 0.11260 0.12790 1.00000 0.07200 O4 0.16990 0.13200 0.31610 1.00000 0.07200 O5 0.50000 0.18060 0.00000 1.00000 0.07200 O6 0.50000 0.16550 0.50000 1.00000 0.07200 O7 0.75000 0.25000 0.00000 1.00000 0.07200 O8 0.76180 0.22010 0.27680 1.00000 0.07200 O9 0.25000 0.25000 0.50000 1.00000 0.07200 Wat1 0.50000 0.00000 0.50000 0.94000 0.17700 Wat2 0.00000 0.07200 0.50000 0.91000 0.17000 Wat3 0.56280 0.07880 0.28640 0.78000 0.18300 Wat4 0.50000 0.00000 0.00000 1.00000 0.10600