data_9008569 _chemical_name 'Graphite' loop_ _publ_author_name 'Wyckoff R W G' _journal_name_full "Crystal Structures" _journal_volume 1 _journal_year 1963 _journal_page_first 7 _journal_page_last 83 _publ_section_title ; Second edition. Interscience Publishers, New York, New York ; _chemical_formula_sum 'C' _cell_length_a 2.456 _cell_length_b 2.456 _cell_length_c 6.696 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 34.979 _symmetry_space_group_name_H-M 'P 63 m c' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-x+y,1/2+z' 'x-y,x,1/2+z' '-y,-x,z' '-y,x-y,z' 'x-y,-y,1/2+z' '-x,-y,1/2+z' 'x,x-y,z' '-x+y,-x,z' 'y,x,1/2+z' 'y,-x+y,1/2+z' '-x+y,y,z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z C1 0.00000 0.00000 0.00000 C2 0.33333 0.66667 0.00000