data_1001068 _chemical_name_systematic ; CALCIUM STRONTIUM NIOBIUM OXIDE (0.6/0.8/0.7/3) ; _chemical_formula_structural 'Ca.25 Sr.75 Ca.3333 Nb.6667 O3' _chemical_formula_sum 'Ca.5833 Nb.6667 O3 Sr.75' _publ_section_title ; Les Perovskites (Ca~1-x~ Sr~x~) (Ca~.3333~ Nb~.6667~) O~3~ ; loop_ _publ_author_name 'Hervieu, M' 'Raveau, B' _journal_name_full 'Journal of Solid State Chemistry' _journal_coden_ASTM JSSCBI _journal_volume 28 _journal_year 1979 _journal_page_first 209 _journal_page_last 222 _cell_length_a 9.99 _cell_length_b 5.73 _cell_length_c 14.16 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 810.6 _cell_formula_units_Z 12 _exptl_crystal_density_meas 4.9