The final unadorned tris(azolyl)borate: finishing what Trofimenko started in 1966
Brianna C. Hughes; Zheng Lu; David M. Jenkins; Chem.Commun. 50 (2014) 5273–; doi:10.1039/C3CC47151A

data_7112749
_publ_section_title
;
 The final unadorned tris(azolyl)borate: finishing what Trofimenko started
 in 1966
;
_journal_name_full               Chem.Commun.
_journal_page_first              5273
_journal_paper_doi               10.1039/C3CC47151A
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C12 H38 B2 Fe N18 O12'
_chemical_formula_weight         704.07
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                120.00
_cell_formula_units_Z            3
_cell_length_a                   15.8445(13)
_cell_length_b                   15.8445(13)
_cell_length_c                   10.5951(9)
_cell_measurement_temperature    173(2)
_cell_volume                     2303.5(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker-AXS Smart Apex II'
_diffrn_measurement_method       '\w scan'
_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  0.0310
_diffrn_reflns_av_sigmaI/netI    0.0194
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            9106
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         2.43
_exptl_absorpt_coefficient_mu    0.574
_exptl_absorpt_correction_T_max  0.9719
_exptl_absorpt_correction_T_min  0.9719
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.523
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cube
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.423
_refine_diff_density_min         -0.427
_refine_diff_density_rms         0.053
_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     87
_refine_ls_number_reflns         1251
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0311
_refine_ls_R_factor_gt           0.0274
_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^)+(0.0293P)^2^+4.0601P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0672
_refine_ls_wR_factor_ref         0.0691
_reflns_number_gt                1143
_reflns_number_total             1251
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc47151a.txt
_cod_data_source_block           Fe
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               7112749