Borylene-Based Functionalization of Iron-Alkynyl-σ-Complexes and Stepwise Reversible Metal-Boryl-to-Borirene Transformation: Synthesis, Characterization, and Density Functional Theory Studies
Holger Braunschweig; Qing Ye; Krzysztof Radacki; Peter Brenner; Gernot Frenking; Susmita De; Inorganic Chemistry 50 (2011) 62–71; doi:10.1021/ic1010874

data_4324083
_publ_contact_author_address
; Institut fuer Anorganische Chemie
Universitaet Wuerzburg
Am Hubland
97074 Wuerzburg, Germany
;
_publ_contact_author_email       H.Braunschweig@mail.uni-wuerzburg.de
_publ_contact_author_fax         +49-931-8884623
_publ_contact_author_name        'Prof. Dr. Holger Braunschweig'
_publ_contact_author_phone       +49-931-8885260
_publ_section_title
;
 Borylene-Based Functionalization of Iron-Alkynyl-\s-Complexes and
 Stepwise Reversible Metal-Boryl-to-Borirene Transformation: Synthesis,
 Characterization, and Density Functional Theory Studies
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              62
_journal_page_last               71
_journal_paper_doi               10.1021/ic1010874
_journal_volume                  50
_journal_year                    2011
_chemical_formula_moiety         'C26 H38 B Fe N O2 Si2'
_chemical_formula_sum            'C26 H38 B Fe N O2 Si2'
_chemical_formula_weight         519.41
_chemical_name_common
;
?
;
_chemical_name_systematic
; 
?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   8.0512(7)
_cell_length_b                   18.0246(14)
_cell_length_c                   38.492(3)
_cell_measurement_reflns_used    9477
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.52
_cell_measurement_theta_min      2.50
_cell_volume                     5585.9(8)
_computing_cell_refinement       'Saint+ ver. 7.53A (Bruker AXS)'
_computing_data_collection       'APEX2 ver. 2008.3 (Bruker AXS)'
_computing_data_reduction        'Saint+ ver. 7.53A (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_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_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  0.0736
_diffrn_reflns_av_sigmaI/netI    0.0246
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       50
_diffrn_reflns_limit_l_min       -50
_diffrn_reflns_number            147965
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         27.64
_diffrn_reflns_theta_min         2.12
_exptl_absorpt_coefficient_mu    0.648
_exptl_absorpt_correction_T_max  0.968
_exptl_absorpt_correction_T_min  0.794
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs 2008/1 (Brucker 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.235
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2208
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.379
_refine_diff_density_min         -0.419
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.237
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     309
_refine_ls_number_reflns         6425
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.237
_refine_ls_R_factor_all          0.0478
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0218P)^2^+4.9500P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0802
_refine_ls_wR_factor_ref         0.0857
_reflns_number_gt                5399
_reflns_number_total             6425
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic1010874_si_002_3.cif
_cod_data_source_block           6
_cod_original_cell_volume        5586.0(8)
_cod_database_code               4324083