#------------------------------------------------------------------------------ #$Date: 2008-01-13 23:15:36 +0100 (Sun, 13 Jan 2008) $ #$Revision: 14 $ #$URL: svn://www.crystallography.net/cod/cif/9/9010001.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_9010001 _chemical_name 'KD2PO4' loop_ _publ_author_name 'Nelmes R J' 'Meyer G M' 'Tibballs J E' _journal_name_full "Journal of Physics C: Solid State Physics" _journal_volume 15 _journal_year 1982 _journal_page_first 59 _journal_page_last 75 _publ_section_title ; The crystal structure of tetragonal KH2PO4 and KD2PO4 as a function of temperature Sample: T = 227 K ; _chemical_formula_sum 'K D2 P O4' _cell_length_a 7.459 _cell_length_b 7.459 _cell_length_c 6.957 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 387.064 _symmetry_space_group_name_H-M 'I -4 2 d' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '1/2-y,-x,3/4+z' '-y,1/2-x,1/4+z' 'y,-x,-z' '1/2+y,1/2-x,1/2-z' '-x,1/2+y,1/4-z' '1/2-x,+y,3/4-z' '-x,-y,z' '1/2-x,1/2-y,1/2+z' '1/2+y,x,3/4+z' '+y,1/2+x,1/4+z' '-y,x,-z' '1/2-y,1/2+x,1/2-z' 'x,1/2-y,1/4-z' '1/2+x,-y,3/4-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy K 0.00000 0.00000 0.50000 1.00000 D 0.14901 0.22016 0.12098 0.50000 P 0.00000 0.00000 0.00000 1.00000 O 0.14947 0.08091 0.12623 1.00000