#------------------------------------------------------------------------------ #$Date: 2016-02-14 06:40:26 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176432 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/10/18/2101862.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # 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_2101862 loop_ _publ_author_name 'Artioli, G.' 'Masciocchi, N.' 'Galli, E.' _publ_section_title ; The Elusive Crystal Structure of Uric Acid Dihydrate: Implication for Epitaxial Growth During Biomineralization ; _journal_issue 3 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 498 _journal_page_last 503 _journal_paper_doi 10.1107/S0108768196013067 _journal_volume 53 _journal_year 1997 _chemical_formula_moiety 'C5 H4 N4 O3 ,2H2 O' _chemical_formula_sum 'C5 H8 N4 O5' _chemical_formula_weight 204.15 _space_group_IT_number 60 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall '-P 2bc 2n' _symmetry_space_group_name_H-M 'P n a b' _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_formula_units_Z 4 _cell_length_a 7.4090(10) _cell_length_b 17.549(3) _cell_length_c 6.3320(10) _cell_volume 823.3(2) _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.7107 _exptl_absorpt_coefficient_mu 0.15 _exptl_crystal_density_diffrn 1.646 _cod_data_source_file na0077.cif _cod_data_source_block na0077a _cod_depositor_comments ; Added _atom_site_type_symbol label and values. Antanas Vaitkus 2013-04-09 ; _cod_original_sg_symbol_Hall '-P 2bc -2n' _cod_database_code 2101862 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x,1/2-y,1/2+z 1/2-x,1/2+y,1/2+z 1/2+x,-y,z -x,-y,-z x,1/2+y,1/2-z 1/2+x,1/2-y,1/2-z 1/2-x,y,-z loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_occupancy O1 O .98055(13) .10058(5) .02678(15) .0709(6) 1.0 O2 O .7690(6) -.10385(7) .4526(3) .0472(14) 0.5 N1 N .86868(14) .00815(7) .24593(16) .0527(6) 1.0 N2 N .83086(14) .13247(6) .33470(14) .0501(7) 1.0 C1 C .75 .09818(9) .5 .0506(12) 1.0 C2 C .90090(19) .08153(7) .1869(2) .0620(11) 1.0 C3 C .7832(4) .02218(11) .4310(4) .0382(17) 0.5 C4 C .7801(4) -.03346(12) .4328(3) .0336(16) 0.5 H1 H .9178(14) -.0373(5) .1669(14) .061(4) 1.0 H2 H .8465(12) .1893(4) .3141(14) .050(4) 1.0 Ow O .9014(2) .28182(6) .2670(3) .1022(9) 1.0 Hw1 H .804(2) .3095(9) .216(2) .172(9) 1.0 Hw2 H .927(2) .3057(9) .3979(17) .204(11) 1.0