An Organic White Light-Emitting Fluorophore
Youjun Yang; Mark Lowry; Corin M. Schowalter; Sayo O. Fakayode; Jorge O. Escobedo; Xiangyang Xu; Huating Zhang; Timothy J. Jensen; Frank R. Fronczek; Isiah M. Warner; Robert M. Strongin; Journal of the American Chemical Society 128 (2006) 14081–14092; doi:10.1021/ja0632207

data_4111022
_publ_section_title
;
 An Organic White Light-Emitting Fluorophore
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14081
_journal_page_last               14092
_journal_paper_doi               10.1021/ja0632207
_journal_volume                  128
_journal_year                    2006
_chemical_compound_source        'local laboratory'
_chemical_formula_moiety         'C31 H28 O5'
_chemical_formula_sum            'C31 H28 O5'
_chemical_formula_weight         480.53
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.743(2)
_cell_length_b                   16.188(3)
_cell_length_c                   15.137(3)
_cell_measurement_reflns_used    3410
_cell_measurement_temperature    110
_cell_measurement_theta_max      28.7
_cell_measurement_theta_min      2.5
_cell_volume                     2387.4(8)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'COLLECT (Nonius, 2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare  et al., 1999)'
_diffrn_ambient_temperature      110
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device       'KappaCCD (with Oxford Cryostream)'
_diffrn_measurement_method       ' \w scans with \k offsets'
_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  0.029
_diffrn_reflns_av_sigmaI/netI    0.0360
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            29508
_diffrn_reflns_theta_full        28.7
_diffrn_reflns_theta_max         28.7
_diffrn_reflns_theta_min         2.7
_diffrn_standards_decay_%        <2
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.337
_exptl_crystal_description       lath
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.21
_refine_diff_density_min         -0.17
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     332
_refine_ls_number_reflns         3183
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.054
_refine_ls_R_factor_gt           0.038
_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^)+(0.0409P)^2^+0.4288P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.082
_refine_ls_wR_factor_ref         0.088
_reflns_number_gt                2633
_reflns_number_total             3183
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja0632207si20060509_024239.cif
_cod_data_source_block           5
_cod_original_sg_symbol_H-M      'P c a 21 '
_cod_database_code               4111022