data_global _chemical_name_mineral 'Thaumasite' loop_ _publ_author_name 'Martucci A' 'Cruciani G' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 33 _journal_year 2006 _journal_page_first 723 _journal_page_last 731 _publ_section_title ; In situ time resolved synchrotron powder diffraction study of thaumasite Sample: T = 413 K ; _database_code_amcsd 0009049 _chemical_formula_sum 'Ca3 Si C S O24.67 H29.34' _cell_length_a 11.0825 _cell_length_b 11.0825 _cell_length_c 10.4447 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1110.969 _exptl_crystal_density_diffrn 1.843 _symmetry_space_group_name_H-M 'P 63' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x-y,x,1/2+z' '-y,x-y,z' '-x,-y,1/2+z' '-x+y,-x,z' 'y,-x+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 Ca 0.19750 0.99090 0.23100 1.00000 0.01900 Si 0.00000 0.00000 -0.02500 1.00000 0.02300 C 0.33333 0.66667 0.44900 1.00000 0.00300 S 0.33333 0.66667 0.97700 1.00000 0.04200 O5 0.20850 0.62720 0.45600 1.00000 0.04200 O6 0.19540 0.62960 0.03100 1.00000 0.02400 O9 0.33333 0.66667 0.83200 1.00000 0.02600 O-H7 0.12110 0.12320 0.08000 1.00000 0.03300 O-H8 0.14650 0.13400 0.37200 1.00000 0.00300 Wat1 0.39270 0.23670 0.22600 0.98000 0.02400 Wat2 0.25550 0.40800 0.24200 0.96000 0.07600 Wat3 -0.00180 0.32970 0.04400 0.96000 0.00200 Wat4 0.02080 0.36560 0.39000 0.99000 0.02800