N2 Functionalization at Iron Metallaboratranes
Marc-Etienne Moret; Jonas C. Peters; Journal of the American Chemical Society 133 (2011) 18118–18121; doi:10.1021/ja208675p

data_4107122
_publ_section_title
;
 N2 Functionalization at Iron Metallaboratranes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              18118
_journal_page_last               18121
_journal_paper_doi               10.1021/ja208675p
_journal_volume                  133
_journal_year                    2011
_chemical_formula_sum            'C43 H71 B Fe N2 Na O P3 Si'
_chemical_formula_weight         842.67
_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                 90.439(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.6183(11)
_cell_length_b                   11.3406(6)
_cell_length_c                   19.2147(10)
_cell_measurement_reflns_used    9989
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.86
_cell_measurement_theta_min      2.30
_cell_volume                     4492.7(4)
_computing_cell_refinement       'SAINT-Plus v7.66A (Bruker-AXS, ????)'
_computing_data_collection       'APEX2 v2009.7-0 (Bruker-AXS, 2009)'
_computing_data_reduction        'SAINT-Plus v7.66A (Bruker-AXS, ????)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker KAPPA APEX II'
_diffrn_measurement_method       'omega and phi 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  0.1669
_diffrn_reflns_av_sigmaI/netI    0.0988
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            109388
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.513
_exptl_absorpt_correction_T_max  0.9798
_exptl_absorpt_correction_T_min  0.9270
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2008/1 (Bruker-AXS, 2008)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.246
_exptl_crystal_description       shard
_exptl_crystal_F_000             1808
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.769
_refine_diff_density_min         -0.383
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         9182
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.1186
_refine_ls_R_factor_gt           0.0510
_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^)+(0.0355P)^2^+3.7224P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0875
_refine_ls_wR_factor_ref         0.1071
_reflns_number_gt                5477
_reflns_number_total             9182
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja208675p_si_002_1.cif
_cod_data_source_block           mem121
_cod_database_code               4107122