1,1‘-Oligosilylferrocene Compounds
Wagner, Harald; Baumgartner, Judith; Marschner, Christoph; Organometallics 26 (2007) 1762–; doi:10.1021/om061138e

data_4072928
_publ_section_title
;
 1,1&#x2018;-Oligosilylferrocene Compounds
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1762
_journal_paper_doi               10.1021/om061138e
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C32 H54 Fe Hf Si6'
_chemical_formula_weight         841.63
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 113.38(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.670(3)
_cell_length_b                   11.827(2)
_cell_length_c                   20.571(4)
_cell_measurement_temperature    100(2)
_cell_volume                     3722.7(14)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\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  0.0374
_diffrn_reflns_av_sigmaI/netI    0.0348
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            28958
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    3.390
_exptl_absorpt_correction_T_max  0.6303
_exptl_absorpt_correction_T_min  0.4295
_exptl_absorpt_correction_type   SADABS
_exptl_absorpt_process_details   XPREP
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.502
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             1712
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.341
_refine_diff_density_min         -1.786
_refine_diff_density_rms         0.129
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.242
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     373
_refine_ls_number_reflns         7608
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.242
_refine_ls_R_factor_all          0.0462
_refine_ls_R_factor_gt           0.0421
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0226P)^2^+11.5559P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0799
_refine_ls_wR_factor_ref         0.0814
_reflns_number_gt                7165
_reflns_number_total             7608
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om061138esi20070130_091118.cif
_cod_data_source_block           339j_10
_cod_original_cell_volume        3722.6(13)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4072928