#------------------------------------------------------------------------------ #$Date: 2017-08-05 05:55:06 +0200 (Sat, 05 Aug 2017) $ #$Revision: 199549 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/01/2100175.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_2100175 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 15 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 1 2/c 1' _cell_angle_alpha 90 _cell_angle_beta 147.098 _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 22.1358 _cell_length_b 7.2263 _cell_length_c 16.7948 _cell_volume 1459.3 _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 'C 2/c' _cod_struct_determination_method theoretical _cod_database_code 2100175 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 x,y,z 2 -x,y,1/2-z 3 1/2+x,1/2+y,z 4 1/2-x,1/2+y,1/2-z 5 -x,-y,-z 6 x,-y,1/2+z 7 1/2-x,1/2-y,-z 8 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 0.230837 0.528122 0.949004 C C2 0.349126 0.463007 1.06368 C C3 0.341987 0.374673 0.973259 C C4 0.246746 0.479902 0.826993 C C5 0.063202 0.590894 0.682423 C C6 0.0452507 0.764716 0.612629 C N1 0.178549 0.539598 0.818417 N N2 0.125395 0.896432 0.710704 N O1 0.189072 0.569438 0.967139 O O2 -0.0363525 0.783421 0.479068 O H1 0.403741 0.583867 1.12457 H H2 0.376793 0.369995 1.14121 H H3 0.319168 0.229313 0.953797 H H4 0.419216 0.382389 1.02507 H H5 0.276465 0.599115 0.825807 H H6 0.198298 0.392473 0.733302 H H7 0.0312533 0.614556 0.707072 H H8 0.0152093 0.480302 0.601416 H H9 0.186283 0.880598 0.818457 H H10 0.112756 1.02111 0.671701 H