1,1',1'',1'''-(Oxydimethanetriyl)tetrakis(4-fluorobenzene)
Roopashree, K. R.; Kavitha, H. D.; Katagi, K. S.; Kotresh, O.; Devarajegowda, H. C.; Acta Crystallographica Section E 70 (2014) o475–; doi:10.1107/S1600536814005984

data_2239272
_publ_section_title
;
 1,1',1'',1'''-(Oxydimethanetriyl)tetrakis(4-fluorobenzene)
;
_journal_coeditor_code           BV2231
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o475
_journal_paper_doi               10.1107/S1600536814005984
_journal_volume                  70
_journal_year                    2014
_chemical_formula_iupac          'C26 H18 F4 O2'
_chemical_formula_moiety         'C26 H18 F4 O2'
_chemical_formula_sum            'C26 H18 F4 O2'
_chemical_formula_weight         438.40
_chemical_melting_point          363
_chemical_name_systematic
;
1,1',1'',1'''-(Oxydimethanetriyl)tetrakis(4-fluorobenzene)
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                104.965(2)
_cell_angle_beta                 95.175(2)
_cell_angle_gamma                107.354(2)
_cell_formula_units_Z            2
_cell_length_a                   8.1754(2)
_cell_length_b                   8.9536(2)
_cell_length_c                   15.3193(4)
_cell_measurement_reflns_used    3305
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.49
_cell_volume                     1016.87(5)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 2012)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0301
_diffrn_reflns_av_sigmaI/netI    0.0300
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            24205
_diffrn_reflns_theta_full        31.33
_diffrn_reflns_theta_max         31.33
_diffrn_reflns_theta_min         1.40
_exptl_absorpt_coefficient_mu    0.114
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7700
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2007)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.432
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             452
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.188
_refine_diff_density_min         -0.204
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         6598
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0779
_refine_ls_R_factor_gt           0.0479
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0526P)^2^+0.1212P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1160
_refine_ls_wR_factor_ref         0.1324
_reflns_number_gt                4213
_reflns_number_total             6598
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bv2231sup1.cif
_cod_data_source_block           I
_cod_original_cell_volume        1016.87(4)
_cod_database_code               2239272
_cod_database_fobs_code          2239272