From Unsymmetrically Substituted Benzamidinato and Guanidinato Dichlorohydridosilanes to Novel Hydrido N-Heterocyclic Silylene Iron Complexes
Blom, Burgert; Pohl, Markus; Tan, Gengwen; Gallego, Daniel; Driess, Matthias; Organometallics 33 (2014) 5272–; doi:10.1021/om5005918

data_4084381
_publ_section_title
;
 From Unsymmetrically Substituted Benzamidinato and Guanidinato
 Dichlorohydridosilanes to Novel Hydrido N-Heterocyclic Silylene Iron
 Complexes
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              5272
_journal_paper_doi               10.1021/om5005918
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C23 H33 Fe N3 O4 Si'
_chemical_formula_weight         499.46
_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
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 120.609(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.9112(10)
_cell_length_b                   9.0456(3)
_cell_length_c                   19.0419(11)
_cell_measurement_reflns_used    2149
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      73.2340
_cell_measurement_theta_min      5.3850
_cell_volume                     2655.2(3)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
;
_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
;
_computing_data_reduction
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CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Single source at offset, Atlas'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0412
_diffrn_reflns_av_sigmaI/netI    0.0542
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            5202
_diffrn_reflns_theta_full        67.49
_diffrn_reflns_theta_max         67.49
_diffrn_reflns_theta_min         5.40
_exptl_absorpt_coefficient_mu    5.242
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.58318
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.249
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod-like
_exptl_crystal_F_000             1056
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.588
_refine_diff_density_min         -0.278
_refine_diff_density_rms         0.059
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.018(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     302
_refine_ls_number_reflns         3374
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0537
_refine_ls_R_factor_gt           0.0448
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0567P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1061
_refine_ls_wR_factor_ref         0.1166
_reflns_number_gt                2925
_reflns_number_total             3374
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5005918_si_002.cif
_cod_data_source_block           compound10
_cod_depositor_comments
'Adding full bibliography for 4084377--4084381.cif.'
_cod_original_cell_volume        2655.2(2)
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               4084381