data_1010438 _chemical_name_systematic 'Beryllium oxide' _chemical_formula_structural 'Be O' _chemical_formula_sum 'Be O' _publ_section_title ; The Crystal Structure of Beryllium and of Beryllium Oxide ; _publ_author_name 'McKeehan, L W' _journal_name_full ; Proceedings of the National Academy of Sciences, U.S.A. ; _journal_coden_ASTM PNASA6 _journal_volume 8 _journal_year 1922 _journal_page_first 270 _journal_page_last 274 _cell_length_a 2.696 _cell_length_b 2.696 _cell_length_c 4.394 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 27.7 _cell_formula_units_Z 2