Highly Metallized Polymers: Synthesis, Characterization, and Lithographic Patterning of Polyferrocenylsilanes with Pendant Cobalt, Molybdenum, and Nickel Cluster Substituents
Wing Yan Chan; Scott B. Clendenning; Andrea Berenbaum; Alan J. Lough; Stephane Aouba; Harry E. Ruda; Ian Manners; Journal of the American Chemical Society 127 (2005) 1765–1772; doi:10.1021/ja045386i

data_4111467
_publ_section_title
;
 Highly Metallized Polymers: Synthesis, Characterization, and Lithographic
 Patterning of Polyferrocenylsilanes with Pendant Cobalt, Molybdenum, and
 Nickel Cluster Substituents
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1765
_journal_page_last               1772
_journal_paper_doi               10.1021/ja045386i
_journal_volume                  127
_journal_year                    2005
_chemical_formula_moiety         'C29 H26 Fe Ni2 Si'
_chemical_formula_sum            'C29 H26 Fe Ni2 Si'
_chemical_formula_weight         575.86
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.2770(2)
_cell_length_b                   9.3405(4)
_cell_length_c                   17.8241(5)
_cell_measurement_reflns_used    15321
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.6
_cell_volume                     2376.92(13)
_computing_cell_refinement       'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2002)'
_computing_data_reduction        Denzo-SMN
_computing_molecular_graphics    'SHELXTL V6.12'
_computing_publication_material  'SHELXTL V6.12'
_computing_structure_refinement  'SHELXTL V6.12(Sheldrick, 2001)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      150(1)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0458
_diffrn_reflns_av_sigmaI/netI    0.0554
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            11811
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.61
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.236
_exptl_absorpt_correction_T_max  0.837
_exptl_absorpt_correction_T_min  0.787
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995) 
;
_exptl_crystal_density_diffrn    1.609
_exptl_crystal_description       needle
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.451
_refine_diff_density_min         -0.479
_refine_diff_density_rms         0.083
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.021(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         4720
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0480
_refine_ls_R_factor_gt           0.0347
_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^)+(0.0357P)^2^+0.2068P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0742
_refine_ls_wR_factor_ref         0.0803
_reflns_number_gt                4027
_reflns_number_total             4720
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja045386isi20040730_045640.cif
_cod_data_source_block           k0489a
_cod_database_code               4111467