data_1010635 _chemical_name_systematic 'Pentaaluminium tricarbide nitride' _chemical_formula_structural 'Al5 C3 N' _chemical_formula_sum 'Al5 N' _publ_section_title ; Untersuchungen am Aluminiumcarbid Al~4~ C~3~ und Aluminiumcarbonitrid Al~5~ C~3~ N ; loop_ _publ_author_name 'Stackelberg, M von' 'Schnorrenberg, E' 'Paulus, R' 'Spiess, K F' _journal_name_full ; Zeitschrift fuer Physikalische Chemie, Abteilung A: Chemische Thermodynamik, Kinetik, Elektrochemie, Eigenschaftslehre ; _journal_coden_ASTM ZPCAAI _journal_volume 175 _journal_year 1935 _journal_page_first 127 _journal_page_last 153 _cell_length_a 3.28 _cell_length_b 3.28 _cell_length_c 21.55 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 200.8 _cell_formula_units_Z 2 _symmetry_space_group_name_H-M 'P 63 m c' _symmetry_Int_Tables_number 186 _symmetry_cell_setting hexagonal loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-y,x-y,z' 'y-x,-x,z' '-y,-x,z' 'y-x,y,z' 'x,x-y,z' '-x,-y,1/2+z' 'y,y-x,1/2+z' 'x-y,x,1/2+z' 'y,x,1/2+z' 'x-y,-y,1/2+z' '-x,y-x,1/2+z' loop_ _atom_type_symbol _atom_type_oxidation_number Al3+ 3.000 C4- -4.000 N3- -3.000 loop_ _atom_site_label _atom_site_type_symbol _atom_site_symmetry_multiplicity _atom_site_Wyckoff_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_attached_hydrogens _atom_site_calc_flag Al1 Al3+ 2 a 0. 0. 0.15 1. 0 d Al2 Al3+ 2 b 0.3333 0.6667 0.0444 1. 0 d Al3 Al3+ 2 b 0.3333 0.6667 0.4556 1. 0 d Al4 Al3+ 2 a 0. 0. 0.3444 1. 0 d Al5 Al3+ 2 b 0.3333 0.6667 0.2403 1. 0 d C1 C4- 2 b 0.3333 0.6667 0.1333 1. 0 d C2 C4- 2 a 0. 0. 0.0014 1. 0 d C3 C4- 2 b 0.3333 0.6667 0.3694 1. 0 d N1 N3- 2 a 0. 0. 0.25 1. 0 d