data_global _amcsd_formula_title 'LiFeSi2O6' loop_ _publ_author_name 'Redhammer G J' 'Roth G' 'Paulus W' 'Andre G' 'Lottermoser W' 'Amthauer G' 'Treutmann W' 'Koppelhuber-Bitschnau B' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 28 _journal_year 2001 _journal_page_first 337 _journal_page_last 346 _publ_section_title ; The crystal and magnetic structure of Li-aegirine LiFeSi2O6: a temperature-dependent study Sample: T = 100 K Pyroxene ; _database_code_amcsd 0008554 _chemical_formula_sum 'Li Fe Si2 O6' _cell_length_a 9.6223 _cell_length_b 8.6638 _cell_length_c 5.2655 _cell_angle_alpha 90 _cell_angle_beta 109.95 _cell_angle_gamma 90 _cell_volume 412.620 _exptl_crystal_density_diffrn 3.460 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Li 0.25040 0.00900 0.23670 0.00090 Fe 0.25022 0.64788 0.23528 0.00060 SiA 0.04779 0.33899 0.27760 0.00070 SiB 0.54862 0.83874 0.25270 0.00070 O1A 0.86730 0.33270 0.16360 0.00230 O1B 0.36740 0.83470 0.13510 0.00220 O2A 0.11600 0.50860 0.31230 0.00320 O2B 0.62150 0.00320 0.35370 0.00330 O3A 0.10850 0.26670 0.58210 0.00300 O3B 0.60500 0.72320 0.51200 0.00280