#------------------------------------------------------------------------------ #$Date: 2025-08-18 23:52:38 +0100 (Mon, 18 Aug 2025) $ #$Revision: 301791 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/06/2000635.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_2000635 loop_ _publ_author_name 'Evans, K. L.' 'Fronczek, F. R.' 'Gandour, R. D.' _publ_section_title ; 2-Chloro-2'-methoxyacetophenone and 2-chloro-4'-methoxyacetophenone ; _journal_issue 9 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 1701 _journal_page_last 1703 _journal_paper_doi 10.1107/S0108270192001586 _journal_volume 48 _journal_year 1992 _chemical_formula_sum 'C9 H9 Cl O2' _chemical_formula_weight 184.6 _space_group_crystal_system monoclinic _space_group_IT_number 14 _space_group_name_Hall '-P 2ybc' _space_group_name_H-M_alt 'P 1 21/c 1' _cell_angle_alpha 90 _cell_angle_beta 111.097(9) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 7.6079(7) _cell_length_b 12.296(2) _cell_length_c 9.9240(13) _cell_volume 866.1(2) _diffrn_radiation_type Cu _diffrn_radiation_wavelength 1.54184 _exptl_absorpt_coefficient_mu 3.59 _exptl_crystal_density_diffrn 1.416 _exptl_crystal_F_000 384 _cod_data_source_file st0566.cif _cod_data_source_block st0566b _cod_depositor_comments ; Updating space group information and adding the symmetry operation list. Antanas Vaitkus, 2018-06-15 ; _cod_original_sg_symbol_H-M 'P 21/c' _cod_original_formula_sum 'C9 H9 Cl1 O2' _cod_database_code 2000635 loop_ _space_group_symop_id _space_group_symop_operation_xyz 1 x,y,z 2 -x,y+1/2,-z+1/2 3 -x,-y,-z 4 x,-y+1/2,z+1/2 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cl1 .28539(8) .16557(5) .42518(6) O1 .1355(2) .3681(2) .2867(2) O2 .2922(2) .80520(10) .64920(10) C1 .2340(2) .4936(2) .4793(2) C2 .1426(2) .5797(2) .3931(2) C3 .1568(2) .6847(2) .4445(2) C4 .2656(2) .7052(2) .5878(2) C5 .3558(3) .6195(2) .6771(2) C6 .3410(2) .5156(2) .6246(2) C7 .2176(2) .3840(2) .4147(2) C8 .3115(3) .2920(2) .5159(2) C9 .2170(3) .8970(2) .5589(3) H2 .070(2) .563(2) .299(2) H3 .097(2) .739(2) .386(2) H5 .432(2) .638(2) .772(2) H6 .409(2) .460(2) .683(2) H81 .453(2) .308(2) .564(2) H82 .267(2) .281(2) .593(2) H91 .259(3) .962(2) .630(2) H92 .293(3) .904(2) .489(3) H93 .097(2) .894(2) .519(2) loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle C4 O2 C9 118.30(10) C2 C1 C6 117.7(2) C2 C1 C7 119.00(10) C6 C1 C7 123.2(2) C1 C2 C3 122.30(10) C2 C3 C4 119.2(2) O2 C4 C5 116.20(10) C3 C4 C5 119.5(2) C4 C5 C6 120.7(2) C1 C6 C5 120.6(2) O1 C7 C8 121.1(2) C1 C7 C8 116.70(10) Cl1 C8 C7 112.30(10) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance Cl1 C8 1.772(2) O1 C7 1.213(2) O2 C4 1.355(3) O2 C9 1.427(3) C1 C2 1.381(3) C1 C6 1.404(2) C1 C7 1.478(3) C2 C3 1.378(3) C3 C4 1.387(2) C4 C5 1.389(3) C5 C6 1.369(3) C7 C8 1.510(3) loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 PubChem 237806