Facile Synthesis of Novel Functionalized Silsesquioxane Nanostructures Containing an Encapsulated Fluoride Anion
El Aziz, Youssef; Bassindale, Alan R.; Taylor, Peter G.; Horton, Peter N.; Stephenson, Richard A.; Hursthouse, Michael B.; Organometallics 31 (2012) 6032–; doi:10.1021/om300277g

data_4078993
_publ_section_title
;
 Facile Synthesis of Novel Functionalized Silsesquioxane Nanostructures
 Containing an Encapsulated Fluoride Anion
;
_journal_issue                   17
_journal_name_full               Organometallics
_journal_page_first              6032
_journal_paper_doi               10.1021/om300277g
_journal_volume                  31
_journal_year                    2012
_chemical_formula_sum            'C32 H52 F N9 O12 Si8'
_chemical_formula_weight         998.55
_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                106.0410(10)
_cell_angle_beta                 98.0060(10)
_cell_angle_gamma                96.1230(10)
_cell_formula_units_Z            1
_cell_length_a                   8.6557(2)
_cell_length_b                   11.7528(2)
_cell_length_c                   12.4208(2)
_cell_measurement_reflns_used    5302
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      2.910
_cell_volume                     1188.45(4)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type
'Bruker-Nonius Roper CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0293
_diffrn_reflns_av_sigmaI/netI    0.0252
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            26888
_diffrn_reflns_theta_full        27.59
_diffrn_reflns_theta_max         27.59
_diffrn_reflns_theta_min         3.18
_exptl_absorpt_coefficient_mu    0.294
_exptl_absorpt_correction_T_max  0.9655
_exptl_absorpt_correction_T_min  0.8317
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2 (Sheldrick, G.M., 2007)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.395
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       slab
_exptl_crystal_F_000             524
_exptl_crystal_size_max          0.65
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.614
_refine_diff_density_min         -0.783
_refine_diff_density_rms         0.215
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.160
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     326
_refine_ls_number_reflns         5461
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.159
_refine_ls_R_factor_all          0.0388
_refine_ls_R_factor_gt           0.0342
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0588P)^2^+0.4876P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1053
_refine_ls_wR_factor_ref         0.1083
_reflns_number_gt                4914
_reflns_number_total             5461
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300277g_si_001.cif
_cod_data_source_block           EY250
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4078993