#------------------------------------------------------------------------------ #$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/1007230.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_1007230 _chemical_name_systematic 'Holmium pentaphosphate *' _chemical_formula_structural 'Ho (P5 O14)' _chemical_formula_sum 'Ho O14 P5' _publ_section_title ; Structure cristalline de l'ultraphosphate d'holmium Ho P5 O14 ; loop_ _publ_author_name 'Tranqui, D' 'Bagieu-Beucher, M' 'Durif, A' _journal_name_full ; Bulletin de la Societe Francaise de Mineralogie et de Cristallographie (72,1949-100,1977) ; _journal_coden_ASTM BUFCAE _journal_volume 95 _journal_year 1972 _journal_page_first 437 _journal_page_last 440 _cell_length_a 8.726(4) _cell_length_b 12.710(6) _cell_length_c 8.926(4) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 990.0 _cell_formula_units_Z 4 _exptl_crystal_density_meas 3.4 _symmetry_space_group_name_H-M 'P n m a' _symmetry_Int_Tables_number 62 _symmetry_cell_setting orthorhombic loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,1/2-z' '-x,1/2+y,-z' '1/2-x,-y,1/2+z' '-x,-y,-z' '1/2-x,1/2+y,1/2+z' 'x,1/2-y,z' '1/2+x,y,1/2-z' loop_ _atom_type_symbol _atom_type_oxidation_number Ho3+ 3.000 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 Ho1 Ho3+ 4 c 0.01855(11) 0.25 0.0566(13) 1. 0 d P1 P5+ 4 c 0.4295(25) 0.25 0.0086(28) 1. 0 d P2 P5+ 8 d 0.4930(22) 0.0815(15) -0.2021(29) 1. 0 d P3 P5+ 8 d 0.2508(28) -0.0689(14) -0.2228(27) 1. 0 d O1 O2- 4 c 0.4814(31) 0.25 0.1821(39) 1. 0 d O2 O2- 4 c 0.2665(34) 0.25 -0.0404(46) 1. 0 d O3 O2- 8 d 0.5228(33) 0.1519(19) -0.0670(44) 1. 0 d O4 O2- 8 d 0.5006(40) 0.1355(18) -0.3419(42) 1. 0 d O5 O2- 8 d 0.3346(51) 0.0322(21) -0.1510(48) 1. 0 d O6 O2- 8 d 0.1259(49) -0.0048(30) -0.322(52) 1. 0 d O7 O2- 8 d 0.3486(37) -0.1174(29) -0.343(36) 1. 0 d O8 O2- 8 d 0.1682(34) -0.1240(28) -0.0882(36) 1. 0 d _refine_ls_R_factor_all 0.09