#------------------------------------------------------------------------------ #$Date: 2017-09-03 01:49:29 +0100 (Sun, 03 Sep 2017) $ #$Revision: 200140 $ #$URL: svn://www.crystallography.net/cod/cif/1/00/61/1006112.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_1006112 loop_ _publ_author_name 'Salvad\'o, M. A.' 'Pertierra, P.' 'Garc\'ia-Granda, S.' 'Garc\'ia, J. R.' 'Rodr\'iguez, J.' 'Fern\'andez-D\'iaz, M. T.' _publ_section_title ; Neutron powder diffraction study of \a-Ti(HPO~4~)~2~.(H~2~O) and \a-Hf(HPO~4~)~2~.(H~2~O); H-atom positions ; _journal_coden_ASTM ASBSDK _journal_issue 5 _journal_name_full ; Acta Crystallographica, Section B: Structural Science ; _journal_page_first 896 _journal_page_last 898 _journal_paper_doi 10.1107/s0108768196006702 _journal_volume 52 _journal_year 1996 _chemical_formula_structural 'Hf (H P O4)2 (H2 O)' _chemical_formula_sum 'H4 Hf O9 P2' _chemical_name_systematic ; Hafnium bis(hydrogenphosphate(V)) hydrate - \a ; _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_Int_Tables_number 14 _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _cell_angle_alpha 90 _cell_angle_beta 111.234(4) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 8.9955(5) _cell_length_b 5.2439(3) _cell_length_c 16.224(1) _cell_volume 713.4 _refine_ls_R_factor_all 0.009 _cod_database_code 1006112 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,1/2+y,1/2-z -x,-y,-z x,1/2-y,1/2+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 Hf1 Hf4+ 4 e 0.7373(8) 0.2519(19) 0.4853(4) 1. 0 d P1 P5+ 4 e -0.0238(11) 0.753(3) 0.6095(5) 1. 0 d P2 P5+ 4 e 0.4976(12) 0.234(2) 0.6129(5) 1. 0 d O1 O2- 4 e 0.1231(12) 0.813(2) 0.5968(6) 1. 0 d O2 O2- 4 e -0.0830(11) 0.472(2) 0.5713(6) 1. 0 d O3 O2- 4 e 0.8339(12) 0.939(2) 0.5610(7) 1. 0 d O4 O2- 4 e 0.0120(9) 0.746(2) 0.7067(5) 1. 1 d O5 O2- 4 e 0.3639(12) 0.447(2) 0.5901(7) 1. 0 d O6 O2- 4 e 0.4287(14) -0.017(2) 0.5955(7) 1. 0 d O7 O2- 4 e 0.5981(10) 0.303(2) 0.5571(6) 1. 0 d O8 O2- 4 e 0.6004(10) 0.259(2) 0.7110(5) 1. 1 d O9 O2- 4 e 0.2370(15) 0.222(2) 0.7406(7) 1. 2 d H1 H1+ 4 e -0.100(2) 0.811(4) 0.7167(15) 1. 0 d H2 H1+ 4 e 0.659(3) 0.076(4) 0.7282(16) 1. 0 d H3 H1+ 4 e 0.294(3) 0.079(4) 0.763(2) 1. 0 d H4 H1+ 4 e 0.212(2) 0.221(5) 0.6681(10) 1. 0 d loop_ _atom_type_symbol _atom_type_oxidation_number Hf4+ 4.000 P5+ 5.000 O2- -2.000 H1+ 1.000