#------------------------------------------------------------------------------ #$Date: 2013-12-28 13:58:47 +0000 (Sat, 28 Dec 2013) $ #$Revision: 91933 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/36/2003620.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_2003620 loop_ _publ_author_name Rajnikant 'Watkin, D.' 'Tranter, G.' _publ_section_title ; Disordered Fluorine in 2-Fluorobiphenyl ; _journal_issue 7 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 1452 _journal_page_last 1454 _journal_volume 51 _journal_year 1995 _chemical_compound_source ' The material was supplied by Aldrich and recrystallized from toluene' _chemical_formula_moiety 'C12 H9 F1' _chemical_formula_sum 'C12 H9 F' _chemical_formula_weight 172.2 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall 'F -2d 2' _symmetry_space_group_name_H-M 'F 2 d d' _atom_type_scat_source IntTabIV _cell_angle_alpha 90. _cell_angle_beta 90. _cell_angle_gamma 90. _cell_formula_units_Z 8 _cell_length_a 5.894(3) _cell_length_b 12.954(1) _cell_length_c 23.602(2) _cell_measurement_reflns_used 25 _cell_measurement_temperature 293 _cell_measurement_theta_max 40 _cell_measurement_theta_min 0 _cell_volume 1802.0(9) _diffrn_measurement_device 'Enraf-Nonius CAD-4' _diffrn_measurement_method \w/2\q _diffrn_radiation_type CuK\a _diffrn_radiation_wavelength 1.54184 _diffrn_reflns_av_R_equivalents 0.0405 _diffrn_reflns_limit_h_max 6 _diffrn_reflns_limit_h_min -7 _diffrn_reflns_limit_k_max 15 _diffrn_reflns_limit_k_min -6 _diffrn_reflns_limit_l_max 29 _diffrn_reflns_limit_l_min -10 _diffrn_reflns_number 1827 _diffrn_reflns_theta_max 72 _diffrn_standards_decay_% 0 _diffrn_standards_interval_count 60 _diffrn_standards_interval_time 100 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.673 _exptl_absorpt_correction_type none _exptl_crystal_colour white _exptl_crystal_density_diffrn 1.269 _exptl_crystal_description 'thick rectangular plate' _exptl_crystal_size_max 0.60 _exptl_crystal_size_mid 0.30 _exptl_crystal_size_min 0.20 _refine_diff_density_max 0.952 _refine_diff_density_min -0.185 _refine_ls_extinction_coef 'secondary, 177.5' _refine_ls_extinction_method 'Larson (1969)' _refine_ls_goodness_of_fit_obs 0.85 _refine_ls_hydrogen_treatment noref _refine_ls_number_parameters 65 _refine_ls_number_reflns 451 _refine_ls_R_factor_obs 0.04534 _refine_ls_shift/esd_max 0.13 _refine_ls_structure_factor_coef F _refine_ls_weighting_scheme ;w = [weight][1 - (\dF/6\sF)^2^]^2^, weighting coefficients are 14.6, 8.40 and 10.6 ; _refine_ls_wR_factor_obs 0.06006 _reflns_number_observed 451 _reflns_number_total 480 _reflns_observed_criterion I>3\s(I) _[local]_cod_data_source_file ab1225.cif _[local]_cod_data_source_block ab1225a _[local]_cod_chemical_formula_sum_orig 'C12 H9 F1' _cod_database_code 2003620 loop_ _symmetry_equiv_pos_as_xyz x,y,z x,-y,-z 1/4+x,1/4-y,1/4+z 1/4+x,1/4+y,1/4-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv C1 .0373(3) .0471(1) .48219(9) .0526 C2 -.1400(4) .0695(2) .4455(1) .0619 C3 -.1397(5) .1551(2) .4111(1) .0722 C4 .0410(5) .2228(2) .4131(1) .0731 C5 .2202(5) .2032(2) .4497(1) .0705 C6 .2185(4) .1160(2) .4834(1) .0612 F1 -.3067(4) .0026(3) .4392(1) .0777 H31 -.2739 .1687 .3841 .0669 H41 .0448 .2860 .3854 .0676 H51 .3517 .2536 .4521 .0643 H61 .3513 .1016 .5097 .0545 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 C1 C1 C2 121.7(2) yes C1 C1 C6 121.1(2) yes C2 C1 C6 117.2(2) yes C1 C2 C3 122.4(2) yes C1 C2 F1 119.6(2) yes C3 C2 F1 117.7(2) yes C2 C3 C4 119.6(2) yes C3 C4 C5 119.5(2) yes C4 C5 C6 120.1(3) yes C1 C6 C5 121.2(2) yes loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag C1 C1 1.483(4) yes C1 C2 1.388(3) yes C1 C6 1.392(3) yes C2 C3 1.374(4) yes C2 F1 1.319(4) yes C3 C4 1.380(4) yes C4 C5 1.387(5) yes C5 C6 1.382(4) yes _journal_paper_doi 10.1107/S0108270195000631