data_9006653 _chemical_name '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 = 550 K Note: U33 for O1 has been altered by personal communication with authors, Dec 2 ; _chemical_formula_sum 'Ca Sn Si O5' _cell_length_a 7.166 _cell_length_b 8.903 _cell_length_c 6.678 _cell_angle_alpha 90 _cell_angle_beta 113.39 _cell_angle_gamma 90 _cell_volume 391.038 _symmetry_space_group_name_H-M 'A 1 2/a 1' loop_ _symmetry_equiv_pos_as_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_Uiso_or_equiv Ca 0.25000 0.66304 0.50000 0.03030 Sn 0.50000 0.50000 0.00000 0.00810 Si 0.75000 0.68153 0.50000 0.00850 O1 0.75000 0.58610 0.00000 0.01430 O2 0.91220 0.56820 0.67520 0.01500 O3 0.37160 0.71211 0.89060 0.01340