#------------------------------------------------------------------------------ #$Date: 2022-09-28 16:08:17 +0100 (Wed, 28 Sep 2022) $ #$Revision: 278247 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/07/2100754.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_2100754 loop_ _publ_author_name 'Nyburg, S. C.' 'Gerson, A. R.' _publ_section_title ; Crystallography of the even n-alkanes: structure of C~20~H~42~ ; _journal_issue 1 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 103 _journal_page_last 106 _journal_paper_doi 10.1107/S0108768191011059 _journal_volume 48 _journal_year 1992 _chemical_formula_sum 'C20 H42' _chemical_formula_weight 282.55 _space_group_IT_number 2 _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 85.3(3) _cell_angle_beta 68.20(10) _cell_angle_gamma 72.60(10) _cell_formula_units_Z 1 _cell_length_a 4.293(5) _cell_length_b 4.840(10) _cell_length_c 27.35(9) _cell_volume 503(2) _diffrn_radiation_type Cu _diffrn_radiation_wavelength 1.5418 _exptl_absorpt_coefficient_mu 0.34 _exptl_crystal_density_diffrn 0.932 _exptl_crystal_F_000 162 _cod_data_source_file li0091.cif _cod_data_source_block li0091a _cod_original_cell_volume 503.2 _cod_database_code 2100754 loop_ _space_group_symop_id _space_group_symop_operation_xyz 1 x,y,z 2 -x,-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z C(1) .095(3) .280(2) -.4469(3) C(2) .136(2) .081(2) -.4032(3) C(3) .071(2) .240(2) -.3525(3) C(4) .112(2) .039(2) -.3086(3) C(5) .047(2) .200(2) -.2582(3) C(6) .085(2) .000(2) -.2141(3) C(7) .019(2) .159(2) -.1636(3) C(8) .057(2) -.039(2) -.1197(3) C(9) -.008(2) .120(2) -.0693(3) C(10) .032(2) -.079(2) -.0252(2) H(1A) -.164 .416 -.4343 H(1B) .272 .404 -.4572 H(1C) .132 .171 -.4812 H(2A) -.043 -.041 -.3945 H(2B) .392 -.060 -.4161 H(3A) -.186 .381 -.3398 H(3B) .250 .362 -.3614 H(4A) -.067 -.083 -.2999 H(4B) .369 -.102 -.3215 H(5A) -.209 .342 -.2455 H(5B) .227 .320 -.2668 H(6A) -.096 -.120 -.2056 H(6B) .340 -.142 -.2269 H(7A) -.237 .301 -.1509 H(7B) .200 .279 -.0722 H(8A) -.124 -.158 -.1110 H(8B) .312 -.181 -.1325 H(9A) -.236 .262 -.0565 H(9B) .173 .240 -.0788 H(10A) -.144 -.204 -.0170 H(10B) .289 -.219 -.0380 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance C(1) C(2) 1.500(10) C(2) C(3) 1.530(10) C(3) C(4) 1.520(10) C(4) C(5) 1.530(10) C(5) C(6) 1.510(10) C(6) C(7) 1.530(10) C(7) C(8) 1.500(10) C(8) C(9) 1.530(10) C(9) C(10) 1.510(10)