Carbene-induced synthesis of the first borironium cations using the [(eta^5^-C5Me5)Fe(CO)2]^-^ anion as an unlikely leaving group
Holger Braunschweig; Rian D. Dewhurst; Katharina Ferkinghoff; Chem.Commun. 52 (2016) 183–; doi:10.1039/C5cc07503C

data_7118167
_publ_section_title
;
 Carbene-induced synthesis of the first borironium cations using the
 [(eta^5^-C5Me5)Fe(CO)2]^-^ anion as an unlikely leaving group
;
_journal_name_full               Chem.Commun.
_journal_page_first              183
_journal_paper_doi               10.1039/C5cc07503C
_journal_volume                  52
_journal_year                    2016
_chemical_formula_moiety         'C34 H57 B Fe N4 O2 Si2'
_chemical_formula_sum            'C34 H57 B Fe N4 O2 Si2'
_chemical_formula_weight         676.67
_chemical_properties_physical    'Air-sensitive, Moisture-sensitive'
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_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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_secondary   iterative
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-09-04 deposited with the CCDC.
2015-10-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
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_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_measurement_reflns_used    9722
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_diffrn_measured_fraction_theta_full 1.000
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_diffrn_measurement_device_type  'Bruker X8-APEX II'
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_diffrn_reflns_point_group_measured_fraction_full 1.000
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_exptl_crystal_description       block
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_refine_ls_extinction_method     none
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0368P)^2^+2.1148P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0747
_refine_ls_wR_factor_ref         0.0774
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_reflns_friedel_fraction_full    .
_reflns_friedel_fraction_max     .
_reflns_number_gt                7252
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_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5cc07503c2.cif
_cod_data_source_block           2b
_cod_database_code               7118167
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.754
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_shelx_res_checksum              75222
_shelx_hkl_checksum              7859