#------------------------------------------------------------------------------ #$Date: 2013-12-28 13:58:47 +0000 (Sat, 28 Dec 2013) $ #$Revision: 91933 $ #$URL: svn://www.crystallography.net/cod/cif/2/01/04/2010492.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_2010492 loop_ _publ_author_name 'Bhar, Abdenbi' 'Aune, Jean Pierre' 'Benali-Cherif, Nourredine' 'Benmenni, Leila' 'Giorgi, Michel' _publ_section_title ; Three Polychloromononitrobenzenes: C~6~H~3~Cl~2~NO~2~, C~6~H~2~Cl~3~NO~2~ and C~6~HCl~4~NO~2~ ; _journal_issue 2 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 256 _journal_page_last 260 _journal_volume 51 _journal_year 1995 _chemical_formula_sum 'C6 H3 Cl2 N O2' _chemical_formula_weight 192 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2y1' _symmetry_space_group_name_H-M 'P 1 21/m 1' _atom_type_scat_source IntTabIV _cell_angle_alpha 90. _cell_angle_beta 92.94(6) _cell_angle_gamma 90. _cell_formula_units_Z 2 _cell_length_a 3.873(2) _cell_length_b 13.687(2) _cell_length_c 7.013(3) _cell_measurement_reflns_used 25 _cell_measurement_temperature 293 _cell_measurement_theta_max 16 _cell_measurement_theta_min 10 _cell_volume 371.3(3) _diffrn_measurement_device 'Enraf-Nonius CAD4' _diffrn_measurement_method \q-2\q _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71069 _diffrn_reflns_av_R_equivalents 0.102 _diffrn_reflns_limit_h_max 4 _diffrn_reflns_limit_h_min -4 _diffrn_reflns_limit_k_max 15 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 8 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 665 _diffrn_reflns_theta_max 24 _diffrn_standards_decay_% -39.3 _diffrn_standards_interval_time 60 _diffrn_standards_number 2 _exptl_absorpt_coefficient_mu 0.826 _exptl_absorpt_correction_type none _exptl_crystal_colour yellow _exptl_crystal_density_diffrn 1.716 _exptl_crystal_description rectangular _exptl_crystal_size_max 0.3 _exptl_crystal_size_mid 0.2 _exptl_crystal_size_min 0.2 _refine_diff_density_max 0.37(4) _refine_diff_density_min -0.36(4) _refine_ls_goodness_of_fit_obs 2.024 _refine_ls_hydrogen_treatment noref _refine_ls_number_parameters 55 _refine_ls_number_reflns 460 _refine_ls_R_factor_obs 0.046 _refine_ls_shift/esd_max 0.03 _refine_ls_structure_factor_coef F _refine_ls_weighting_scheme 'w = 1/[\s^2^(I~o~) + (0.04I~o~)^2^]' _refine_ls_wR_factor_obs 0.059 _reflns_number_observed 462 _reflns_number_total 559 _reflns_observed_criterion I>3\s(I) _[local]_cod_data_source_file pa1066.cif _[local]_cod_data_source_block I _[local]_cod_cif_authors_sg_H-M 'P 21/m' _[local]_cod_chemical_formula_sum_orig 'C6 H3 Cl2 N1 O2' _cod_original_cell_volume 371.30(10) _cod_database_code 2010492 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Cl(3) .8704(3) .44558(7) .23270(10) O(1) .3460(8) .3268(2) .8587(4) N .41000(10) .250 .7874(6) C(1) .56700(10) .250 .5998(6) C(2) .6365(9) .3387(2) .5188(5) C(3) .7812(8) .3366(2) .3426(5) C(4) .85400(10) .250 .2539(6) H(2) .5827 .4026 .5848 H(4) .9553 .2500 .1231 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag Cl(3) C(3) 1.722(3) yes N O(1) 1.196(3) yes N C(1) 1.478(6) yes C(1) C(2) 1.372(4) yes C(2) C(3) 1.382(5) yes C(3) C(4) 1.375(4) yes loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_publ_flag C(1) N O(1) 118.4(2) yes N C(1) C(2) 117.8(2) yes C(1) C(2) C(3) 116.7(3) yes Cl(3) C(3) C(2) 118.9(3) yes Cl(3) C(3) C(4) 119.6(3) yes C(2) C(3) C(4) 121.6(3) yes _journal_paper_doi 10.1107/S0108270194002957