Redox-Active Metallomacrocycles and Cyclic Metallopolymers: Photocontrolled Ring-Opening Oligomerization and Polymerization of Silicon-Bridged [1]Ferrocenophanes Using Substitutionally-Labile Lewis Bases as Initiators
David E. Herbert; Joe B. Gilroy; Wing Yan Chan; Laurent Chabanne; Anne Staubitz; Alan J. Lough; Ian Manners; Journal of the American Chemical Society 131 (2009) 14958–14968; doi:10.1021/ja904928c

data_4105147
_publ_section_title
;
 Redox-Active Metallomacrocycles and Cyclic Metallopolymers:
 Photocontrolled Ring-Opening Oligomerization and Polymerization of
 Silicon-Bridged [1]Ferrocenophanes Using Substitutionally-Labile Lewis
 Bases as Initiators
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14958
_journal_page_last               14968
_journal_paper_doi               10.1021/ja904928c
_journal_volume                  131
_journal_year                    2009
_chemical_formula_moiety         'C84 H98 Fe7 Si7'
_chemical_formula_sum            'C84 H98 Fe7 Si7'
_chemical_formula_weight         1695.20
_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                94.0580(13)
_cell_angle_beta                 98.887(1)
_cell_angle_gamma                113.0600(12)
_cell_formula_units_Z            2
_cell_length_a                   13.3855(3)
_cell_length_b                   13.7448(2)
_cell_length_c                   27.3253(7)
_cell_measurement_reflns_used    20197
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.6
_cell_volume                     4522.19(17)
_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      150(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offsets'
_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  0.073
_diffrn_reflns_av_sigmaI/netI    0.066
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            44948
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.56
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.222
_exptl_absorpt_correction_T_max  0.839
_exptl_absorpt_correction_T_min  0.556
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995)
;
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.245
_exptl_crystal_description       plate
_exptl_crystal_F_000             1764
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_platon_squeeze_details
;
;
_refine_diff_density_max         0.888
_refine_diff_density_min         -0.892
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     896
_refine_ls_number_reflns         20197
_refine_ls_number_restraints     26
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0774
_refine_ls_R_factor_gt           0.0528
_refine_ls_shift/su_max          0.035
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0820P)^2^+1.2030P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1438
_refine_ls_wR_factor_ref         0.1543
_reflns_number_gt                14731
_reflns_number_total             20197
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja904928c_si_004.cif
_cod_data_source_block           k08105
_cod_database_code               4105147