Coordination Chemistry of Cyclic Disilylated Stannylenes and Plumbylenes to Group 4 Metallocenes
Henning Arp; Judith Baumgartner; Christoph Marschner; Patrick Zark; Thomas Müller; Journal of the American Chemical Society 134 (2012) 10864–10875; doi:10.1021/ja301547x

data_4118161
_publ_section_title
;
 Coordination Chemistry of Cyclic Disilylated Stannylenes and Plumbylenes
 to Group 4 Metallocenes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10864
_journal_page_last               10875
_journal_paper_doi               10.1021/ja301547x
_journal_volume                  134
_journal_year                    2012
_chemical_formula_sum            'C32 H73 P Si8 Sn Ti'
_chemical_formula_weight         880.18
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                84.41(3)
_cell_angle_beta                 84.81(3)
_cell_angle_gamma                66.45(3)
_cell_formula_units_Z            2
_cell_length_a                   11.937(2)
_cell_length_b                   12.301(3)
_cell_length_c                   19.403(4)
_cell_measurement_reflns_used    10557
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      52.514
_cell_measurement_theta_min      4.344
_cell_volume                     2595.2(11)
_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 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'SMART APEX'
_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  0.0307
_diffrn_reflns_av_sigmaI/netI    0.0481
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            20608
_diffrn_reflns_theta_full        26.32
_diffrn_reflns_theta_max         26.32
_diffrn_reflns_theta_min         1.06
_exptl_absorpt_coefficient_mu    0.869
_exptl_absorpt_correction_T_max  0.8454
_exptl_absorpt_correction_T_min  0.7566
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.126
_exptl_crystal_description       blocks
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.469
_refine_diff_density_min         -0.595
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     407
_refine_ls_number_reflns         10388
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0404
_refine_ls_R_factor_gt           0.0341
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0481P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0869
_refine_ls_wR_factor_ref         0.0894
_reflns_number_gt                8856
_reflns_number_total             10388
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja301547x_si_002_1.cif
_cod_data_source_block           5_744j
_cod_original_cell_volume        2595.2(9)
_cod_database_code               4118161