Construction of covalent- and hydrogen-bonded assemblies from 1',1'''-biferrocenediboronic acid as a new organobimetallic building block.
Tahara, Keishiro; Akita, Tetsuhiro; Katao, Shohei; Tokunaga, Ken; Kikuchi, Jun-Ichi; Dalton transactions (Cambridge, England : 2003) 43 (2014) 9579–9585; doi:10.1039/c4dt00988f

data_7030839
_publ_section_title
;
 Construction of covalent- and hydrogen-bonded assemblies from
 1',1'''-biferrocenediboronic acid as a new organobimetallic building
 block.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9579
_journal_page_last               9585
_journal_paper_doi               10.1039/c4dt00988f
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C20 H20 B2 Fe2 O4'
_chemical_formula_sum            'C20 H20 B2 Fe2 O4'
_chemical_formula_weight         457.69
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 105.4700(7)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            2
_cell_length_a                   5.62751(10)
_cell_length_b                   19.4131(4)
_cell_length_c                   8.15547(18)
_cell_measurement_reflns_used    11539
_cell_measurement_temperature    123
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      3.34
_cell_volume                     858.68(3)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'Il Milione (Burla, et al., 2007)'
_diffrn_ambient_temperature      123
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0305
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            14677
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.714
_exptl_absorpt_correction_T_max  0.950
_exptl_absorpt_correction_T_min  0.783
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.770
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             468.00
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.040
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.700
_refine_diff_density_min         -0.430
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.193
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     129
_refine_ls_number_reflns         1975
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0289
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0461P)^2^+0.2863P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0836
_reflns_number_gt                1753
_reflns_number_total             1975
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c4dt00988f2.cif
_cod_data_source_block           (FcB(OH)2)2_THF_Hex(1)
_cod_depositor_comments
'Adding full bibliography for 7030839--7030841.cif.'
_cod_original_cell_volume        858.69(3)
_cod_database_code               7030839