Low-Coordinate Iron(II) Complexes of a Bulky Bis(carbene)borate Ligand
Lee, Wei-Tsung; Jeon, Ie-Rang; Xu, Song; Dickie, Diane A.; Smith, Jeremy M.; Organometallics 33 (2014) 5654–; doi:10.1021/om500417y

data_4083777
_publ_section_title
;
 Low-Coordinate Iron(II) Complexes of a Bulky Bis(carbene)borate Ligand
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              5654
_journal_paper_doi               10.1021/om500417y
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C20 H43 B Fe I N5 Si2'
_chemical_formula_weight         603.33
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 94.237(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   37.3655(10)
_cell_length_b                   11.4117(3)
_cell_length_c                   16.3998(5)
_cell_measurement_reflns_used    9877
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.18
_cell_measurement_theta_min      2.42
_cell_volume                     6973.8(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0238
_diffrn_reflns_av_sigmaI/netI    0.0223
_diffrn_reflns_limit_h_max       49
_diffrn_reflns_limit_h_min       -49
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            34998
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         2.19
_exptl_absorpt_coefficient_mu    1.400
_exptl_absorpt_correction_T_max  0.6970
_exptl_absorpt_correction_T_min  0.6327
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker, SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.149
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2480
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.28
_platon_squeeze_details
;
;
_refine_diff_density_max         0.831
_refine_diff_density_min         -0.622
_refine_diff_density_rms         0.201
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.178
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         8660
_refine_ls_number_restraints     66
_refine_ls_restrained_S_all      1.175
_refine_ls_R_factor_all          0.0386
_refine_ls_R_factor_gt           0.0327
_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^)+(0.0745P)^2^+3.5797P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1213
_refine_ls_wR_factor_ref         0.1242
_reflns_number_gt                7412
_reflns_number_total             8660
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500417y_si_002.cif
_cod_data_source_block           jsnmsuwtl5_0m-sr
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/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 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4083777