N-containing boronic esters as self-complementary building blocks for the assembly of 2D and 3D molecular networks
Jorge Cruz-Huerta; Domingo Salazar-Mendoza; Javier Hernandez-Paredes; Iran F. Hernandez Ahuactzi; Herbert Hopfl; Chem.Commun. 48 (2012) 4241–; doi:10.1039/c2cc00144f

data_7107588
_publ_section_title
;
 N-containing boronic esters as self-complementary building blocks for the
 assembly of 2D and 3D molecular networks
;
_journal_name_full               Chem.Commun.
_journal_page_first              4241
_journal_paper_doi               10.1039/c2cc00144f
_journal_volume                  48
_journal_year                    2012
_chemical_formula_moiety         'C23 H20 B2 N2 O4'
_chemical_formula_sum            'C23 H20 B2 N2 O4'
_chemical_formula_weight         410.03
_chemical_name_systematic
;

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;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 127.844(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.867(3)
_cell_length_b                   9.9419(13)
_cell_length_c                   13.4309(17)
_cell_measurement_reflns_used    3570
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.24
_cell_measurement_theta_min      2.42
_cell_volume                     2094.9(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0703
_diffrn_reflns_av_sigmaI/netI    0.0571
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9818
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.43
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.98
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.300
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rectangular prism'
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.337
_refine_diff_density_min         -0.347
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.202
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         1838
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.202
_refine_ls_R_factor_all          0.1215
_refine_ls_R_factor_gt           0.1044
_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^)+(0.0570P)^2^+14.9977P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2014
_refine_ls_wR_factor_ref         0.2105
_reflns_number_gt                1587
_reflns_number_total             1838
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc00144f.txt
_cod_data_source_block           72herbm
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7107588