Novel neutral hexacoordinate silicon(IV) complexes with two bidentate monoanionic benzamidinato ligands.
Junold, Konstantin; Burschka, Christian; Bertermann, Rüdiger; Tacke, Reinhold; Dalton transactions (Cambridge, England : 2003) 39 (2010) 9401–9413; doi:10.1039/c0dt00391c

data_7026401
_publ_section_title
;
 Novel neutral hexacoordinate silicon(IV) complexes with two bidentate
 monoanionic benzamidinato ligands.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9401
_journal_page_last               9413
_journal_paper_doi               10.1039/c0dt00391c
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C28 H38 N6 Si'
_chemical_formula_sum            'C28 H38 N6 Si'
_chemical_formula_weight         486.73
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 95.40(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.6880(19)
_cell_length_b                   18.094(4)
_cell_length_c                   16.310(3)
_cell_measurement_reflns_used    3884
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      25.7
_cell_measurement_theta_min      5.05
_cell_volume                     2846.4(10)
_computing_cell_refinement       Stoe-IPDS
_computing_data_collection       Stoe-IPDS
_computing_data_reduction        Stoe-IPDS
_computing_molecular_graphics    Ortep/Povray
_computing_publication_material  Bruker-SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      183(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  image_plate_Stoe-IPDS
_diffrn_measurement_method       omega_scan
_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  0.0646
_diffrn_reflns_av_sigmaI/netI    0.0460
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            37540
_diffrn_reflns_theta_full        29.15
_diffrn_reflns_theta_max         29.15
_diffrn_reflns_theta_min         2.39
_exptl_absorpt_coefficient_mu    0.109
_exptl_absorpt_correction_T_max  1.0069
_exptl_absorpt_correction_T_min  0.9121
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.136
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       long_prism
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          .4
_exptl_crystal_size_mid          .2
_exptl_crystal_size_min          .2
_refine_diff_density_max         0.298
_refine_diff_density_min         -0.320
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     324
_refine_ls_number_reflns         7599
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0656
_refine_ls_R_factor_gt           0.0411
_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^)+(0.0573P)^2^+0.1377P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1002
_refine_ls_wR_factor_ref         0.1081
_reflns_number_gt                5301
_reflns_number_total             7599
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00391c.txt
_cod_data_source_block           jun06u
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7026401