data_1010561 _chemical_name_systematic 'Calcium hydride' _chemical_formula_structural 'Ca H2' _chemical_formula_sum 'H2 Ca' _publ_section_title 'Konstitution der Erdalkalihydride' loop_ _publ_author_name 'Zintl, E' 'Harder, A' _journal_name_full 'Zeitschrift fuer Elektrochemie' _journal_coden_ASTM ZEELAI _journal_volume 41 _journal_year 1935 _journal_page_first 33 _journal_page_last 52 _cell_length_a 5.936 _cell_length_b 6.838 _cell_length_c 3.6 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 146.1 _cell_formula_units_Z 4 _exptl_crystal_density_meas 1.7