Versatile Self-Adapting Boronic Acids for H-Bond Recognition: From Discrete to Polymeric Supramolecules.
Georgiou, Irene; Kervyn, Simon; Rossignon, Alexandre; De Leo, Federica; Wouters, Johan; Bruylants, Gilles; Bonifazi, Davide; Journal of the American Chemical Society 139 (2017) 2710–2727; doi:10.1021/jacs.6b11362

data_4125515
_publ_section_title
;
 Versatile Self-Adapting Boronic Acids for H-Bond Recognition: From
 Discrete to Polymeric Supramolecules.
;
_journal_issue                   7
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2710
_journal_page_last               2727
_journal_paper_doi               10.1021/jacs.6b11362
_journal_volume                  139
_journal_year                    2017
_chemical_formula_moiety         'C14 H8 N4, 2(C6 H6 B Br O2)'
_chemical_formula_sum            'C26 H20 B2 Br2 N4 O4'
_chemical_formula_weight         633.90
_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                114.154(18)
_cell_angle_beta                 93.533(11)
_cell_angle_gamma                96.875(11)
_cell_formula_units_Z            1
_cell_length_a                   6.8541(7)
_cell_length_b                   9.8549(19)
_cell_length_c                   10.772(2)
_cell_measurement_reflns_used    2046
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.5680
_cell_measurement_theta_min      3.4750
_cell_volume                     654.2(2)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    shelxs86
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 5.1856
_diffrn_detector_type            Ruby
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Ruby, Gemini ultra'
_diffrn_measurement_method       '\w 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  0.0399
_diffrn_reflns_av_sigmaI/netI    0.0562
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            4174
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    3.139
_exptl_absorpt_correction_T_max  0.8340
_exptl_absorpt_correction_T_min  0.2546
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.34 (release 22-05-2014 CrysAlis171 .NET)
(compiled May 22 2014,16:03:01)
Analytical numeric absorption correction using a multifaceted crystal
            model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.609
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             316
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.416
_refine_diff_density_min         -0.598
_refine_diff_density_rms         0.120
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     180
_refine_ls_number_reflns         2261
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0606
_refine_ls_R_factor_gt           0.0410
_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^)+(0.1055P)^2^+0.2338P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1226
_refine_ls_wR_factor_ref         0.1671
_reflns_number_gt                1744
_reflns_number_total             2261
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja6b11362_si_025.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
'Adding full bibliography for 4125513--4125529.cif.'
_cod_original_cell_volume        654.20(19)
_cod_database_code               4125515