#------------------------------------------------------------------------------ #$Date: 2017-08-05 05:55:06 +0200 (Sat, 05 Aug 2017) $ #$Revision: 199549 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/01/2100181.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_2100181 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 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _cell_angle_alpha 90 _cell_angle_beta 106.662 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 9.0537 _cell_length_b 5.7936 _cell_length_c 13.8981 _cell_volume 698.394 _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/c' _cod_struct_determination_method theoretical _cod_database_code 2100181 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 x,y,z 2 -x,1/2+y,1/2-z 3 -x,-y,-z 4 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 0.945666 0.109495 0.597609 C C2 0.95064 -0.0966052 0.666422 C C3 0.798269 -0.0811546 0.692851 C C4 0.688614 0.0380803 0.601191 C C5 0.743491 0.368347 0.495608 C C6 0.632565 0.305449 0.393825 C N1 0.793267 0.172741 0.561087 N N2 0.662809 0.0986648 0.356598 N O1 1.05375 0.200257 0.574994 O O2 0.527752 0.434911 0.349377 O H1 0.957897 -0.253622 0.624461 H H2 1.053 -0.0887243 0.730626 H H3 0.812877 0.0281645 0.758748 H H4 0.754485 -0.247663 0.708503 H H5 0.624009 -0.0856864 0.545406 H H6 0.605648 0.151227 0.621243 H H7 0.847099 0.445978 0.484253 H H8 0.685285 0.496046 0.529604 H H9 0.7565 0.00647383 0.392195 H H10 0.603765 0.0578755 0.285653 H