Gauging metal Lewis basicity of zerovalent iron complexes via metal-only Lewis pairs
Braunschweig, Holger; Dewhurst, Rian D.; Hupp, Florian; Kaufmann, Christina; Phukan, Ashwini K.; Schneider, Christoph; Ye, Qing; Chemical Science 5 (2014) 4099–; doi:10.1039/C4SC01539H

data_1517174
_publ_section_title
;
 Gauging metal Lewis basicity of zerovalent iron complexes via metal-only
 Lewis pairs
;
_journal_issue                   10
_journal_name_full               'Chemical Science'
_journal_page_first              4099
_journal_paper_doi               10.1039/C4SC01539H
_journal_volume                  5
_journal_year                    2014
_chemical_formula_moiety         'C15 H36 B2 Cl3 Fe Ga N2 O3 Si4'
_chemical_formula_sum            'C15 H36 B2 Cl3 Fe Ga N2 O3 Si4'
_chemical_formula_weight         658.36
_chemical_name_common
;
?
;
_chemical_name_systematic
;
?
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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            4
_cell_length_a                   28.6201(15)
_cell_length_b                   15.3682(8)
_cell_length_c                   7.0307(4)
_cell_measurement_reflns_used    6674
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.81
_cell_measurement_theta_min      2.51
_cell_volume                     3092.4(3)
_computing_cell_refinement       'Saint+ ver. 7.68A (Bruker AXS)'
_computing_data_collection       'APEX2 ver. 2010.3 (Bruker AXS)'
_computing_data_reduction        'Saint+ ver. 7.68A (Bruker AXS)'
_computing_molecular_graphics    'XP ver. 5.1 (Bruker AXS, 1998)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker X8-APEX II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multi-layer mirror'
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0500
_diffrn_reflns_av_sigmaI/netI    0.0529
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            27505
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.42
_exptl_absorpt_coefficient_mu    1.773
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6485
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs 2008/1 (Bruker 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.414
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1352
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.425
_refine_diff_density_min         -0.470
_refine_diff_density_rms         0.095
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.045(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     292
_refine_ls_number_reflns         6247
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0517
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0502P)^2^+1.1245P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0927
_refine_ls_wR_factor_ref         0.0965
_reflns_number_gt                5491
_reflns_number_total             6247
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4sc01539h2.cif
_cod_data_source_block           2g
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 1517166--1517175.cif.
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_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               1517174