data_global _chemical_name_mineral 'Lizardite-1T' loop_ _publ_author_name 'Guggenheim S' 'Zhan W' _journal_name_full 'The Canadian Mineralogist' _journal_volume 36 _journal_year 1998 _journal_page_first 1587 _journal_page_last 1594 _publ_section_title ; Effect of temperature on the structures of lizardite-1T and lizardite-2H1 Sample: T = 480 C ; _database_code_amcsd 0005585 _chemical_formula_sum 'Mg3 Si2 H4 O9' _cell_length_a 5.332 _cell_length_b 5.332 _cell_length_c 7.332 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 180.523 _exptl_crystal_density_diffrn 2.549 _symmetry_space_group_name_H-M 'P 3 1 m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x-y,-y,z' '-y,x-y,z' 'y,x,z' '-x+y,-x,z' '-x,-x+y,z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Mg 0.33210 0.00000 0.45700 Si 0.33333 0.66667 0.07800 H1 0.57200 0.00000 0.73000 H2 0.00000 0.00000 0.19000 O1 0.33333 0.66667 0.29140 O2 0.50000 0.00000 -0.00500 O3 0.66400 0.00000 0.59200 O4 0.00000 0.00000 0.30600 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 Mg 0.01100 0.01100 0.03400 0.00550 -0.00010 0.00000 Si 0.01260 0.01260 0.03600 0.00630 0.00000 0.00000 O1 0.01500 0.01500 0.03000 0.00750 0.00000 0.00000 O2 0.02300 0.01300 0.03700 0.00650 -0.00300 0.00000 O3 0.02200 0.02000 0.02500 0.01000 0.00100 0.00000 O4 0.02200 0.02200 0.02800 0.01100 0.00000 0.00000