Synthesis of Methyl-Substituted Main-Chain-Type Organoboron Quinolate Polymers and Their Emission Color Tuning
Nagata, Yuuya; Chujo, Yoshiki; Macromolecules 41 (2008) 2809–; doi:10.1021/ma7025918

data_1504427
_publ_section_title
;
 Synthesis of Methyl-Substituted Main-Chain-Type Organoboron Quinolate
 Polymers and Their Emission Color Tuning
;
_journal_issue                   8
_journal_name_full               Macromolecules
_journal_page_first              2809
_journal_paper_doi               10.1021/ma7025918
_journal_volume                  41
_journal_year                    2008
_chemical_formula_sum            'C22 H16 B I2 N O'
_chemical_formula_weight         574.97
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 95.614(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.946(3)
_cell_length_b                   14.726(3)
_cell_length_c                   12.5476(17)
_cell_measurement_temperature    296(2)
_cell_volume                     2012.9(7)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        'Yadokari-XG (Wakita, 2000)'
_computing_molecular_graphics    'Yadokari-XG (Wakita, 2000)'
_computing_publication_material  'Yadokari-XG (Wakita, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0655
_diffrn_reflns_av_sigmaI/netI    0.0484
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            16955
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.21
_exptl_absorpt_coefficient_mu    3.136
_exptl_absorpt_correction_T_max  0.7444
_exptl_absorpt_correction_T_min  0.4530
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
    Higashi, T. (1995). Program for Absorption Correction.
    Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_density_diffrn    1.897
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1096
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         2.232
_refine_diff_density_min         -2.317
_refine_diff_density_rms         0.388
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.154
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         4532
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.154
_refine_ls_R_factor_all          0.0692
_refine_ls_R_factor_gt           0.0457
_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^)+(0.1705P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1508
_refine_ls_wR_factor_ref         0.2390
_reflns_number_gt                3600
_reflns_number_total             4532
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ma7025918-file002.cif
_cod_data_source_block           2
_cod_original_cell_volume        2012.8(7)
_cod_original_sg_symbol_Hall     -p_2ybc
_cod_original_sg_symbol_H-M      p_21/c
_cod_database_code               1504427