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_4500043
_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         'C20 H44 N, C24 H16 B O4 '
_chemical_formula_sum            'C44 H60 B N O4'
_chemical_formula_weight         677.74
_chemical_name_systematic
; 
 ? 
;
_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                 94.518(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.041(4)
_cell_length_b                   17.599(5)
_cell_length_c                   19.680(6)
_cell_measurement_reflns_used    16163
_cell_measurement_temperature    280(2)
_cell_measurement_theta_max      68.14
_cell_measurement_theta_min      2.27
_cell_volume                     4157(2)
_computing_cell_refinement       'SMART (Bruker, 2003)'
_computing_data_collection       'SMART (Bruker, 2003)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_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      280(2)
_diffrn_detector_area_resol_mean 5.5
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker Smart 6000'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  'Montel 200 optics'
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.038
_diffrn_reflns_av_sigmaI/netI    0.1408
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            50429
_diffrn_reflns_theta_full        68.22
_diffrn_reflns_theta_max         68.22
_diffrn_reflns_theta_min         3.37
_diffrn_standards_decay_%        1.38
_diffrn_standards_number         150
_exptl_absorpt_coefficient_mu    0.522
_exptl_absorpt_correction_T_max  0.9600
_exptl_absorpt_correction_T_min  0.8500
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick,1996)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.083
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.239
_refine_diff_density_min         -0.217
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     479
_refine_ls_number_reflns         7528
_refine_ls_number_restraints     179
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0717
_refine_ls_R_factor_gt           0.0600
_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^)+(0.0270P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1341
_refine_ls_wR_factor_ref         0.1354
_reflns_number_gt                4020
_reflns_number_total             7528
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            deposit.cif
_cod_data_source_block           jiw917
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4500043