#------------------------------------------------------------------------------ #$Date: 2022-09-27 01:27:33 +0100 (Tue, 27 Sep 2022) $ #$Revision: 278201 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/12/2101289.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_2101289 loop_ _publ_author_name 'Luzny, W.' _publ_section_title ; X-ray diffraction and computer modelling study of the structure and conformation of poly(3-decylthiophene) ; _journal_issue 2 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 255 _journal_page_last 260 _journal_paper_doi 10.1107/S0108768194007986 _journal_volume 51 _journal_year 1995 _chemical_formula_sum 'C56 H88 S4' _space_group_IT_number 1 _space_group_name_Hall 'P 1' _space_group_name_H-M_alt 'P 1' _symmetry_cell_setting triclinic _symmetry_space_group_name_Hall 'P 1' _symmetry_space_group_name_H-M 'P 1' _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 90.0 _cell_formula_units_Z 1 _cell_length_a 23.9 _cell_length_b 15.6 _cell_length_c 3.8 _cell_volume 1416.792 _diffrn_radiation_type Cu _diffrn_radiation_wavelength 1.54184 _cod_data_source_file se0143.cif _cod_data_source_block se0143a _cod_database_code 2101289 loop_ _space_group_symop_id _space_group_symop_operation_xyz 1 x,y,z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z C1(1) .500 .705 .000 C2(1) .512 .544 -.024 C3(1) .456 .571 .084 C4(1) .451 .661 .094 C5(1) .504 .794 .027 C6(1) .508 .956 .060 C7(1) .545 .913 .307 C8(1) .543 .825 .294 C9(1) .400 .712 .195 C10(1) .353 .651 .288 C11(1) .301 .703 .389 C12(1) .254 .642 .482 C13(1) .202 .693 .584 C14(1) .155 .632 .677 C15(1) .104 .684 .778 C16(1) .056 .623 .871 C17(1) .005 .674 .972 C18(1) -.042 .614 1.065 C19(1) .579 .973 .538 C20(1) .615 .920 .784 C21(1) .649 .979 1.014 C22(1) .685 .927 1.260 C23(1) .719 .986 1.491 C24(1) .755 .934 1.737 C25(1) .789 .993 1.967 C26(1) .825 .940 2.213 C27(1) .859 1.005 2.444 C28(1) .895 .947 2.690 C1(2) .500 .205 .000 C2(2) .508 .044 -.059 C3(2) .469 .071 .207 C4(2) .465 .161 .231 C5(2) .505 .294 .011 C6(2) .512 .456 .024 C7(2) .563 .413 .125 C8(2) .561 .325 .120 C9(2) .429 .212 .480 C10(2) .395 .151 .707 C11(2) .359 .203 .956 C12(2) .325 .142 1.184 C13(2) .289 .193 1.432 C14(2) .255 .132 1.660 C15(2) .29 .184 1.908 C16(2) .185 .123 2.136 C17(2) .149 .174 2.384 C18(2) .115 .114 2.612 C19(2) .611 .473 .219 C20(2) .662 .420 .319 C21(2) .710 .479 .413 C22(2) .761 .427 .514 C23(2) .809 .486 .608 C24(2) .860 .434 .708 C25(2) .908 .493 .802 C26(2) .959 .440 .902 C27(2) 1.007 .500 .996 C28(2) 1.058 .447 1.097 S1(1) .547 .632 -.087 S2(1) .473 .882 -.207 S1(2) .535 .132 -.246 S2(2) .462 .382 -.084 loop_ _cod_entry_issue_id _cod_entry_issue_origin _cod_entry_issue_severity _cod_entry_issue_description _cod_entry_issue_author _cod_entry_issue_date 1 original warning ; The coordinates (at least the x component) for the atom C15(2) seem to be incorrect, as this atom is "lifted" above the plane of the polymer's side chain. The original publication does not address any discrepancies in the side chains. However, by changing the coordinates from C15(2) .29 .184 1.908 to C15(2) .219 .184 1.908 one can obtain structure with well-formed side chains -- possibly a typo in the coordinates? ; 'Andrius Merkys' 2015-09-15