data_global _amcsd_formula_title 'LiCrSi2O6' loop_ _publ_author_name 'Redhammer G J' 'Roth G' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 219 _journal_year 2004 _journal_page_first 278 _journal_page_last 294 _publ_section_title ; Structural variation and crystal chemistry of LiMe3+Si2O6 clinopyroxenes Me3+ = Al, Ga, Cr, V, Fe, Sc, and In Sample: LiCr Sample: T = 335 K ; _database_code_amcsd 0011111 _chemical_formula_sum 'Li Cr Si2 O6' _cell_length_a 9.570 _cell_length_b 8.582 _cell_length_c 5.268 _cell_angle_alpha 90 _cell_angle_beta 110.18 _cell_angle_gamma 90 _cell_volume 406.100 _exptl_crystal_density_diffrn 3.453 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' '1/2-x,1/2-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 0.00000 0.26560 0.25000 0.02350 Cr 0.00000 0.90861 0.25000 0.00940 Si 0.29812 0.09152 0.26190 0.00990 O1 0.11530 0.08460 0.14740 0.01090 O2 0.36760 0.26160 0.32410 0.01500 O3 0.35730 -0.00120 0.05130 0.01650