#------------------------------------------------------------------------------ #$Date: 2010-04-10 20:37:29 +0200 (Sat, 10 Apr 2010) $ #$Revision: 1071 $ #$URL: svn://www.crystallography.net/cod/cif/9/9010001.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_9010001 loop_ _publ_author_name 'Nelmes, R. J.' 'Meyer, G. M.' 'Tibballs, J. E.' _publ_section_title ; The crystal structure of tetragonal KH2PO4 and KD2PO4 as a function of temperature Sample: T = 227 K ; _journal_name_full 'Journal of Physics C: Solid State Physics' _journal_page_first 59 _journal_page_last 75 _journal_volume 15 _journal_year 1982 _chemical_formula_sum 'D2 K O4 P' _chemical_name_mineral KD2PO4 _space_group_IT_number 122 _symmetry_space_group_name_Hall 'I -4 2bw' _symmetry_space_group_name_H-M 'I -4 2 d' _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_length_a 7.459 _cell_length_b 7.459 _cell_length_c 6.957 _cell_volume 387.064 _diffrn_ambient_temperature 227 _exptl_crystal_density_diffrn 2.370 _[local]_cod_data_source_file cifdata.txt _[local]_cod_data_source_block 'global_13151' _[local]_cod_chemical_formula_sum_orig 'K D2 P O4' _cod_database_code 9010001 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 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 K 0.01610 0.01610 0.01030 0.00000 0.00000 0.00000 D 0.01570 0.01630 0.01980 -0.00060 -0.00150 -0.00180 P 0.00880 0.00880 0.01410 0.00000 0.00000 0.00000 O 0.01130 0.01160 0.01480 0.00150 -0.00410 -0.00280