#------------------------------------------------------------------------------ #$Date: 2017-08-05 05:55:06 +0200 (Sat, 05 Aug 2017) $ #$Revision: 199549 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/01/2100167.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_2100167 loop_ _publ_author_name 'Nowell, Harriott' 'Price, Sarah L.' _publ_section_title ; Validation of a search technique for crystal structure prediction of flexible molecules by application to piracetam ; _journal_issue 5 _journal_name_full ; Acta Crystallographica, Section B: Structural Science ; _journal_page_first 558 _journal_page_last 568 _journal_paper_doi 10.1107/s0108768105018549 _journal_volume 61 _journal_year 2005 _chemical_formula_sum 'C6 H10 N2 O2' _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _cell_angle_alpha 90 _cell_angle_beta 104.924 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 6.4302 _cell_length_b 6.4217 _cell_length_c 17.3636 _cell_volume 692.808 _cod_depositor_comments ; Marking structure as being theoretically determined. Antanas Vaitkus, 2017-08-05 Adding the _cell_formula_units_Z data item. Antanas Vaitkus, 2017-08-05 ; _cod_original_sg_symbol_H-M 'P 21/n' _cod_struct_determination_method theoretical _cod_database_code 2100167 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 x,y,z 2 1/2-x,1/2+y,1/2-z 3 -x,-y,-z 4 1/2+x,1/2-y,1/2+z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_type_symbol C1 0.96124 0.461859 0.833069 C C2 0.823526 0.582996 0.876714 C C3 0.660431 0.422967 0.890043 C C4 0.782856 0.216542 0.894783 C C5 1.06682 0.100987 0.826451 C C6 1.2401 0.0535104 0.903147 C N1 0.91693 0.253156 0.840121 N N2 1.34456 -0.130813 0.902373 N O1 1.08985 0.530824 0.798196 O O2 1.28244 0.17446 0.959849 O H1 0.930238 0.634519 0.933124 H H2 0.753978 0.720345 0.843154 H H3 0.520434 0.41994 0.838862 H H4 0.605358 0.451834 0.94333 H H5 0.882142 0.186439 0.955055 H H6 0.67673 0.0835325 0.875169 H H7 0.982553 -0.0411289 0.801293 H H8 1.14462 0.167737 0.783183 H H9 1.30248 -0.232347 0.857103 H H10 1.46516 -0.167711 0.950014 H