Crystal Structures of Spiroborates Derived from 2,2'-Dihydroxybiphenyl
Emilie Voisin; Thierry Maris; James D. Wuest; Cryst. Growth & Design 8 (2008) 308–318; doi:10.1021/cg700803k

data_4500047
_publ_section_title
;
 Crystal Structures of Spiroborates Derived from 2,2'-Dihydroxybiphenyl
;
_journal_name_full               'Cryst. Growth & Design'
_journal_page_first              308
_journal_page_last               318
_journal_paper_doi               10.1021/cg700803k
_journal_volume                  8
_journal_year                    2008
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_moiety         'C24 H16 B O4, C3 H7 N O, C4 H12 N'
_chemical_formula_sum            'C31 H35 B N2 O5'
_chemical_formula_weight         526.42
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   30.5053(9)
_cell_length_b                   30.5053(9)
_cell_length_c                   12.1560(4)
_cell_measurement_reflns_used    11960
_cell_measurement_temperature    220(2)
_cell_measurement_theta_max      71.83
_cell_measurement_theta_min      2.90
_cell_volume                     11312.0(6)
_computing_cell_refinement       'SMART (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'UdMX (local program)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      220(2)
_diffrn_detector_area_resol_mean 5.5
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker AXS Smart 2K/Platform'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Sealed Tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.052
_diffrn_reflns_av_sigmaI/netI    0.0454
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -37
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            34747
_diffrn_reflns_theta_full        70.00
_diffrn_reflns_theta_max         73.11
_diffrn_reflns_theta_min         2.90
_diffrn_standards_decay_%        -1.54
_diffrn_standards_number         375
_exptl_absorpt_coefficient_mu    0.667
_exptl_absorpt_correction_T_max  0.9000
_exptl_absorpt_correction_T_min  0.7700
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick,1996)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.236
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4480
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.385
_refine_diff_density_min         -0.298
_refine_diff_density_rms         0.055
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     396
_refine_ls_number_reflns         5558
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.516
_refine_ls_R_factor_all          0.1109
_refine_ls_R_factor_gt           0.0715
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.014
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1130P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1983
_refine_ls_wR_factor_ref         0.2183
_reflns_number_gt                2990
_reflns_number_total             5558
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            deposit.cif
_cod_data_source_block           jiw797
_cod_original_sg_symbol_H-M      I41/a
_cod_database_code               4500047