Solid-State Emission Enhancement via Molecular Engineering of Benzofuran Derivatives.
Grolleau, Jérémie; Petrov, Ravil; Allain, Magali; Skene, William G.; Frère, Pierre; ACS omega 3 (2018) 18542–18552; doi:10.1021/acsomega.8b02384

data_4516177
_publ_section_title
;
 Solid-State Emission Enhancement via Molecular Engineering of Benzofuran
 Derivatives.
;
_journal_issue                   12
_journal_name_full               'ACS omega'
_journal_page_first              18542
_journal_page_last               18552
_journal_paper_doi               10.1021/acsomega.8b02384
_journal_volume                  3
_journal_year                    2018
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C18 H12 O2'
_chemical_formula_sum            'C18 H12 O2'
_chemical_formula_weight         260.28
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2016-06-08T10:11:59-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 100.161(4)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.4009(2)
_cell_length_b                   7.3211(3)
_cell_length_c                   13.9114(6)
_cell_measurement_reflns_used    2604
_cell_measurement_temperature    150.00(10)
_cell_measurement_theta_max      75.938
_cell_measurement_theta_min      3.19
_cell_volume                     641.69(4)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41r (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.41r (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41r (Rigaku OD, 2015)'
_computing_molecular_graphics    'DIAMOND 3.2k (Crystal Impact GbR, 2014)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150.00(10)
_diffrn_detector_area_resol_mean 5.199
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.963
_diffrn_measurement_device_type  'SuperNova, Single source at offset, AtlasS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0203
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            3840
_diffrn_reflns_theta_full        74
_diffrn_reflns_theta_max         76.19
_diffrn_reflns_theta_min         3.23
_exptl_absorpt_coefficient_mu    0.696
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.9137
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        CrysAlisPro 1.171.38.41r (Rigaku Oxford Diffraction, 2015)
        Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.347
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             272
_exptl_crystal_size_max          0.172
_exptl_crystal_size_mid          0.083
_exptl_crystal_size_min          0.046
_refine_diff_density_max         0.158
_refine_diff_density_min         -0.159
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.2(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2178
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.06
_refine_ls_R_factor_all          0.0344
_refine_ls_R_factor_gt           0.0326
_refine_ls_shift/su_max          0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0593P)^2^+0.0566P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0922
_refine_ls_wR_factor_ref         0.0934
_reflns_number_gt                2075
_reflns_number_total             2178
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ao8b02384_si_002.cif
_cod_data_source_block           jg276-150k
_cod_database_code               4516177