Iron(II) Dihydrocarbyls Supported by a Biphenyl-Linked Bis(benzimidazol-2-ylidene) Ligand: Syntheses and Characterization
Liu, Yang; Shi, Min; Deng, Liang; Organometallics 33 (2014) 5660–; doi:10.1021/om5000612

data_4082813
_publ_section_title
;
 Iron(II) Dihydrocarbyls Supported by a Biphenyl-Linked
 Bis(benzimidazol-2-ylidene) Ligand: Syntheses and Characterization
;
_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              5660
_journal_paper_doi               10.1021/om5000612
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C34 H32 Fe N4'
_chemical_formula_weight         552.49
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           92
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4abw 2nw'
_symmetry_space_group_name_H-M   'P 41 21 2'
_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                   13.5010(15)
_cell_length_b                   13.5010(15)
_cell_length_c                   14.6888(17)
_cell_measurement_reflns_used    3103
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      23.31
_cell_measurement_theta_min      2.54
_cell_volume                     2677.4(5)
_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      133(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_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  0.0655
_diffrn_reflns_av_sigmaI/netI    0.0360
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            17188
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    0.595
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7456
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1160
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.540
_refine_diff_density_min         -0.574
_refine_diff_density_rms         0.114
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.51(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.309
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     179
_refine_ls_number_reflns         2327
_refine_ls_number_restraints     42
_refine_ls_restrained_S_all      1.333
_refine_ls_R_factor_all          0.1040
_refine_ls_R_factor_gt           0.1017
_refine_ls_shift/su_max          0.063
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+21.3123P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2106
_refine_ls_wR_factor_ref         0.2118
_reflns_number_gt                2264
_reflns_number_total             2327
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5000612_si_002.cif
_cod_data_source_block           8
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to
/usr/data/users/saulius/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      P4(1)2(1)2
_cod_database_code               4082813