#------------------------------------------------------------------------------ #$Date: 2015-01-27 21:58:39 +0200 (Tue, 27 Jan 2015) $ #$Revision: 130149 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/00/50/1005027.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1005027 loop_ _publ_author_name 'Clarke, S J' 'Kowach, G R' 'DiSalvo, F J' _publ_section_title ; Synthesis and structure of two new strontium germanium nitrides: Sr3 Ge2 N2 and Sr2 Ge N2 ; _journal_coden_ASTM INOCAJ _journal_name_full 'Inorganic Chemistry' _journal_page_first 7009 _journal_page_last 7012 _journal_paper_doi 10.1021/ic960518x _journal_volume 35 _journal_year 1996 _chemical_formula_structural 'Sr3 Ge (Ge N2)' _chemical_formula_sum 'Ge2 N2 Sr3' _chemical_name_systematic 'Tristrontium germanide dinitridogermanate' _space_group_IT_number 11 _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 11 _symmetry_space_group_name_Hall '-P 2yb' _symmetry_space_group_name_H-M 'P 1 21/m 1' _cell_angle_alpha 90 _cell_angle_beta 112.42(3) _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 9.032(2) _cell_length_b 3.883(1) _cell_length_c 9.648(2) _cell_volume 312.8 _refine_ls_R_factor_all 0.106 _cod_database_code 1005027 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,1/2+y,-z -x,-y,-z x,1/2-y,z 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 Sr1 Sr2+ 2 e 0.3165(2) 0.25 0.9442(3) 1. 0 d Sr2 Sr2+ 2 e 0.5202(3) 0.25 0.6701(3) 1. 0 d Sr3 Sr2+ 2 e 0.1175(4) 0.25 0.3522(3) 1. 0 d Ge1 Ge4+ 2 e 0.7580(4) 0.25 0.3485(3) 1. 0 d Ge2 Ge4- 2 e 0.9155(4) 0.25 0.9441(3) 1. 0 d N1 N3- 2 e 0.6804(34) 0.25 0.5108(26) 1. 0 d N2 N3- 2 e 0.5733(32) 0.25 0.1784(24) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Sr2+ 2.000 Ge4+ 4.000 Ge4- -4.000 N3- -3.000