Nano Building Blocks via Iodination of [PhSiO1.5]n, Forming [p-I-C6H4SiO1.5]n (n = 8, 10, 12), and a New Route to High-Surface-Area, Thermally Stable, Microporous Materials via Thermal Elimination of I2
M. F. Roll; J. W. Kampf; Y. Kim; E. Yi; R. M. Laine; Journal of the American Chemical Society 132 (2010) 10171–10183; doi:10.1021/ja102453s

data_4102693
_publ_section_title
;
 Nano Building Blocks via Iodination of [PhSiO1.5]n, Forming
 [p-I-C6H4SiO1.5]n (n = 8, 10, 12), and a New Route to High-Surface-Area,
 Thermally Stable, Microporous Materials via Thermal Elimination of I2
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10171
_journal_page_last               10183
_journal_paper_doi               10.1021/ja102453s
_journal_volume                  132
_journal_year                    2010
_chemical_formula_moiety         'C60 H40 I10 O15 Si10  (ethyl acetate)'
_chemical_formula_sum            'C60 H40 I10 O15 Si10'
_chemical_formula_weight         2550.82
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 108.859(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   28.054(2)
_cell_length_b                   15.6168(11)
_cell_length_c                   22.3246(16)
_cell_measurement_reflns_used    9383
_cell_measurement_temperature    85(2)
_cell_measurement_theta_max      29.59
_cell_measurement_theta_min      2.54
_cell_volume                     9255.7(11)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART-APEX'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      85(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0331
_diffrn_reflns_av_sigmaI/netI    0.0124
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -38
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            192719
_diffrn_reflns_theta_full        29.62
_diffrn_reflns_theta_max         29.62
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    3.527
_exptl_absorpt_correction_T_max  0.3716
_exptl_absorpt_correction_T_min  0.2823
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  Blessing, R. Acta Cryst. (1995) A51 33-38.
  Sheldrick, G.  SADABS (Version 2008/1) Bruker AXS area
  detector absorption and other corrections, University of
  Gottingen, Germany 2008.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.831
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4760
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.39
_exptl_crystal_size_min          0.35
_refine_diff_density_max         3.864
_refine_diff_density_min         -3.301
_refine_diff_density_rms         0.154
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     465
_refine_ls_number_reflns         13019
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0492
_refine_ls_R_factor_gt           0.0461
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0468P)^2^+11.2352P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1152
_refine_ls_wR_factor_ref         0.1170
_reflns_number_gt                12075
_reflns_number_total             13019
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja102453s_si_001.cif
_cod_data_source_block           10i1
_cod_database_code               4102693