data_global _chemical_name_mineral 'Chantalite' loop_ _publ_author_name 'Liebich B W' 'Sarp H' 'Parthe E' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 150 _journal_year 1979 _journal_page_first 53 _journal_page_last 63 _publ_section_title ; The crystal structure of chantalite, CaAl2(OH)4SiO4 southwest Turkey ; _database_code_amcsd 0010811 _chemical_compound_source 'rodingitic dykes in a ophiolitic zone in the Taurus Mountains,' _chemical_formula_sum 'Ca Al2 Si O8 H4' _cell_length_a 4.952 _cell_length_b 4.952 _cell_length_c 23.275 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 570.757 _exptl_crystal_density_diffrn 2.958 _symmetry_space_group_name_H-M 'I 41/a' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '3/4+y,1/4-x,1/4-z' '1/4+y,3/4-x,3/4-z' '3/4-y,1/4+x,1/4+z' '1/4-y,3/4+x,3/4+z' '1/2+x,y,1/2-z' '+x,1/2+y,-z' '1/2-x,-y,1/2+z' '-x,1/2-y,+z' '3/4-y,3/4+x,3/4-z' '1/4-y,1/4+x,1/4-z' '3/4+y,3/4-x,3/4+z' '1/4+y,1/4-x,1/4+z' '-x,-y,-z' '1/2-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_U_iso_or_equiv Ca 0.00000 0.25000 0.62500 ? Al 0.00000 0.25000 0.46530 ? Si 0.00000 0.25000 0.12500 ? O1 0.13100 0.49670 0.16310 ? O2 0.18910 0.92190 0.47030 ? H 0.39000 0.97000 0.46000 0.01500 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 Ca 0.01000 0.01000 0.00800 0.00000 0.00000 0.00000 Al 0.01000 0.00600 0.00800 0.00100 0.00000 0.00000 Si 0.00600 0.00600 0.01000 0.00000 0.00000 0.00000 O1 0.00700 0.01000 0.01100 -0.00100 0.00000 0.00500 O2 0.01100 0.00700 0.00500 0.00100 0.00000 0.00100