data_1001466 _chemical_name_systematic 'Strontium cobalt diphosphate' _chemical_formula_structural 'Sr Co (P2 O7)' _chemical_formula_sum 'Co O7 P2 Sr' _publ_section_title 'Structure of SrCoP~2~O~7~' loop_ _publ_author_name 'Riou, D' 'Raveau, B' _journal_name_full 'Acta Crystallographica C (39,1983-)' _journal_coden_ASTM ACSCEE _journal_volume 47 _journal_year 1991 _journal_page_first 1708 _journal_page_last 1709 _cell_length_a 5.3165(4) _cell_length_b 8.2574(5) _cell_length_c 12.6755(7) _cell_angle_alpha 90 _cell_angle_beta 90.133(5) _cell_angle_gamma 90 _cell_volume 556.5 _cell_formula_units_Z 4 _symmetry_space_group_name_H-M 'P 1 21/n 1' _symmetry_Int_Tables_number 14 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '-x,-y,-z' '1/2-x,1/2+y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Sr2+ 2.000 Co2+ 2.000 P5+ 5.000 O2- -2.000 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 Sr1 Sr2+ 4 e 0.2851(2) 0.3392(1) 0.27851(7) 1. 0 d Co1 Co2+ 4 e 0.8190(2) 0.1479(2) 0.10681(9) 1. 0 d P1 P5+ 4 e 0.7484(4) 0.5354(3) 0.1652(2) 1. 0 d P2 P5+ 4 e 0.3138(4) 0.1997(3) 0.9810(2) 1. 0 d O1 O2- 4 e 0.677(1) 0.3597(7) 0.1523(5) 1. 0 d O2 O2- 4 e 0.668(1) 0.4018(8) 0.4007(5) 1. 0 d O3 O2- 4 e 0.949(1) 0.1188(7) 0.2663(5) 1. 0 d O4 O2- 4 e 0.767(1) 0.1133(8) 0.4509(5) 1. 0 d O5 O2- 4 e 0.489(1) 0.0615(8) 0.2927(6) 1. 0 d O6 O2- 4 e 0.093(1) 0.3338(9) 0.4728(5) 1. 0 d O7 O2- 4 e 0.203(1) 0.1838(9) 0.0909(5) 1. 0 d loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_22 _atom_site_aniso_U_23 _atom_site_aniso_U_33 Sr1 0.0060(2) 0.0002(3) 0.0001(2) 0.0085(2) 0.0012(3) 0.0072(2) Co1 0.0084(4) -0.0001(4) -0.0010(3) 0.0065(4) -0.0006(4) 0.0062(4) P1 0.0050(7) 0.0003(7) 0.0004(6) 0.0054(7) 0.0008(7) 0.0048(7) P2 0.0057(7) -0.0005(6) 0.0015(6) 0.0054(7) .0000(6) 0.0025(7) O1 0.014(2) -0.001(2) 0.002(2) 0.004(2) .000(2) 0.012(2) O2 0.007(2) .000(2) -0.003(2) 0.013(2) 0.001(2) 0.007(2) O3 0.007(2) -0.003(2) 0.001(2) 0.006(2) 0.001(2) 0.003(2) O4 0.011(3) -0.005(2) -0.001(2) 0.010(2) -0.006(2) 0.007(2) O5 0.009(2) -0.001(2) -0.005(2) 0.007(2) 0.002(2) 0.016(3) O6 0.001(2) -0.002(2) 0.001(2) 0.013(2) 0.002(2) 0.010(2) O7 0.007(2) -0.004(2) 0.002(2) 0.019(3) -0.001(2) 0.003(2) _refine_ls_R_factor_all 0.041