#------------------------------------------------------------------------------ #$Date: 2017-08-05 05:38:30 +0200 (Sat, 05 Aug 2017) $ #$Revision: 199548 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/01/2100176.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_2100176 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 101.694 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 5.7272 _cell_length_b 7.5677 _cell_length_c 16.8721 _cell_volume 716.087 _cod_depositor_comments ; Adding the _cell_formula_units_Z data item. Antanas Vaitkus, 2017-08-05 ; _cod_original_sg_symbol_H-M 'P 21/c' _cod_database_code 2100176 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 0.782882 0.153181 0.816956 C C2 0.868363 -0.0338463 0.839069 C C3 1.13239 -0.0109844 0.877529 C C4 1.14415 0.176706 0.912419 C C5 0.897278 0.449346 0.860381 C C6 0.725408 0.47141 0.918272 C N1 0.959709 0.26628 0.853931 N N2 0.571154 0.610662 0.900857 N O1 0.590597 0.201308 0.776039 O O2 0.737643 0.377079 0.978223 O H1 0.832262 -0.120397 0.786493 H H2 0.766846 -0.0826865 0.882804 H H3 1.23971 -0.017795 0.831139 H H4 1.199 -0.109297 0.923661 H H5 1.31692 0.239641 0.915002 H H6 1.1013 0.179888 0.972626 H H7 1.05822 0.526009 0.883225 H H8 0.817178 0.49756 0.800111 H H9 0.523156 0.651409 0.843086 H H10 0.444524 0.617791 0.934435 H