data_global _chemical_name_mineral 'Malayaite' loop_ _publ_author_name 'Zhang M' 'Meyer H W' 'Groat L A' 'Bismayer U' 'Salje E K H' 'Adiwidjaja G' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 26 _journal_year 1999 _journal_page_first 546 _journal_page_last 553 _publ_section_title ; An infrared spectroscopic and single-crystal X-ray study of malayaite, CaSnSiO5 Sample: T = 450 K ; _database_code_amcsd 0008234 _chemical_formula_sum 'Ca Sn Si O5' _cell_length_a 7.160 _cell_length_b 8.897 _cell_length_c 6.672 _cell_angle_alpha 90 _cell_angle_beta 113.34 _cell_angle_gamma 90 _cell_volume 390.244 _exptl_crystal_density_diffrn 4.542 _symmetry_space_group_name_H-M 'A 1 2/a 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2+y,1/2+z' '1/2+x,-y,z' '1/2+x,1/2-y,1/2+z' '1/2-x,y,-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '-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 0.25000 0.66280 0.50000 0.02550 Sn 0.50000 0.50000 0.00000 0.00620 Si 0.75000 0.68160 0.50000 0.00700 O1 0.75000 0.58660 0.00000 0.01130 O2 0.91270 0.56823 0.67540 0.01180 O3 0.37190 0.71209 0.89030 0.01040 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 0.04588 0.00760 0.01068 0.00000 -0.00181 0.00000 Sn 0.00532 0.00726 0.00596 -0.00028 0.00202 0.00005 Si 0.00674 0.00801 0.00585 0.00000 0.00194 0.00000 O1 0.00684 0.00910 0.02010 0.00000 0.00749 0.00000 O2 0.01394 0.01193 0.00786 0.00376 0.00263 0.00227 O3 0.01325 0.00906 0.01043 0.00342 0.00636 0.00118