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_4083778
_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_moiety         'C14 H24 B Cl2 Fe N4, C14 H26 B N4'
_chemical_formula_sum            'C28 H50 B2 Cl2 Fe N8'
_chemical_formula_weight         647.13
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 94.1444(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.0430(9)
_cell_length_b                   11.9746(6)
_cell_length_c                   16.6649(9)
_cell_measurement_reflns_used    9900
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      2.26
_cell_volume                     3591.2(3)
_computing_cell_refinement       'SAINT (Bruker, 2008)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2008)'
_computing_publication_material  'SHELXTL (Bruker, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-2004 (Burla et al., 2005)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 83.33
_diffrn_detector_type            'Bruker APEXII'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_details
'0.50 degree frames measured for 10 seconds each'
_diffrn_measurement_device       'APEX Kappa Duo'
_diffrn_measurement_device_type  Kappa
_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  0.0221
_diffrn_reflns_av_sigmaI/netI    0.0373
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            17377
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    0.598
_exptl_absorpt_correction_T_max  0.8847
_exptl_absorpt_correction_T_min  0.8698
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, G Sheldrick; 2012'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.197
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1376
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.336
_refine_diff_density_min         -0.219
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.006(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     398
_refine_ls_number_reflns         7683
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.0273
_refine_ls_R_factor_gt           0.0258
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0356P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0624
_refine_ls_wR_factor_ref         0.0631
_reflns_number_gt                7368
_reflns_number_total             7683
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500417y_si_002.cif
_cod_data_source_block           13123
_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      Cc
_cod_database_code               4083778