The strategy to improve thermal and optical properties of diphenylfluoranthene based on silicon-cored derivatives
Wang, Hua; Liang, Yan; Wang, Yike; Xie, Huanling; Feng, Linglong; Lu, Haifeng; Feng, Shengyu; RSC Advances 4 (2014) 17171–; doi:10.1039/c3ra47751g

data_7235338
_publ_section_title
;
 The strategy to improve thermal and optical properties of
 diphenylfluoranthene based on silicon-cored derivatives
;
_journal_issue                   33
_journal_name_full               'RSC Advances'
_journal_page_first              17171
_journal_paper_doi               10.1039/c3ra47751g
_journal_volume                  4
_journal_year                    2014
_chemical_formula_sum            'C56 H0'
_chemical_formula_weight         672.56
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        '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                100.978(2)
_cell_angle_beta                 90.8674(19)
_cell_angle_gamma                108.058(2)
_cell_formula_units_Z            2
_cell_length_a                   10.6924(14)
_cell_length_b                   13.0351(17)
_cell_length_c                   14.5733(19)
_cell_measurement_temperature    293(2)
_cell_volume                     1889.8(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0195
_diffrn_reflns_av_sigmaI/netI    0.0373
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9473
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.68
_exptl_absorpt_coefficient_mu    0.068
_exptl_crystal_density_diffrn    1.182
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             672
_refine_diff_density_max         0.174
_refine_diff_density_min         -0.165
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         6609
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0585
_refine_ls_R_factor_gt           0.0411
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0537P)^2^+0.2318P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1015
_refine_ls_wR_factor_ref         0.1130
_reflns_number_gt                4950
_reflns_number_total             6609
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ra47751g2.cif
_cod_data_source_block           test
_cod_database_code               7235338