#------------------------------------------------------------------------------ #$Date: 2023-03-24 18:37:27 +0200 (Fri, 24 Mar 2023) $ #$Revision: 282053 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/00/95/9009547.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided the American Mineralogist Crystal Structure Database, # http://rruff.geo.arizona.edu/AMS/amcsd.php # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_9009547 loop_ _publ_author_name 'Ovchinnikov, V. E.' 'Soloveva, L. P.' 'Pudovkina, Z. V.' 'Kapustin Yu, L.' 'Belov, N. V.' _publ_section_title ; The crystal structure of kovdorskite Mg2(PO4)(OH)*3(H2O) ; _journal_name_full 'Doklady Akademii Nauk SSSR' _journal_page_first 351 _journal_page_last 354 _journal_volume 255 _journal_year 1980 _chemical_formula_sum 'H7 Mg2 O8 P' _chemical_name_mineral Kovdorskite _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2yab' _symmetry_space_group_name_H-M 'P 1 21/a 1' _cell_angle_alpha 90 _cell_angle_beta 102.0 _cell_angle_gamma 90 _cell_length_a 10.35 _cell_length_b 12.90 _cell_length_c 4.73 _cell_volume 617.726 _database_code_amcsd 0012469 _exptl_crystal_density_diffrn 2.308 _cod_original_formula_sum 'Mg2 P O8 H7' _cod_database_code 9009547 loop_ _space_group_symop_operation_xyz x,y,z 1/2+x,1/2-y,z 1/2-x,1/2+y,-z -x,-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Mg1 0.15410 0.48820 0.05000 0.00849 Mg2 0.99640 0.28860 0.93390 0.00798 P 0.21960 0.32140 0.59620 0.00595 O1 0.34930 0.26610 0.58640 0.00899 O2 0.13800 0.24630 0.72950 0.01077 O3 0.13880 0.35210 0.28730 0.01153 O4 0.25600 0.41920 0.79050 0.01191 O-H5 0.97970 0.43510 0.77200 0.01051 Wat6 0.16590 0.64670 0.87350 0.01444 Wat7 0.32280 0.53280 0.36040 0.01621 Wat8 0.98610 0.15320 0.16570 0.01824