A hydrogen bonded molecular capsule versus a 3D network of tripodal organopolysilanols
Marina Fukawa; Takayuki Sato; Yoshio Kabe; Chem.Commun. 51 (2015) 14746–; doi:10.1039/C5cc04515K

data_7117822
_publ_section_title
;
 A hydrogen bonded molecular capsule versus a 3D network of tripodal
 organopolysilanols
;
_journal_name_full               Chem.Commun.
_journal_page_first              14746
_journal_paper_doi               10.1039/C5cc04515K
_journal_volume                  51
_journal_year                    2015
_chemical_formula_moiety         'C21 H42 Si3'
_chemical_formula_sum            'C21 H42 Si3'
_chemical_formula_weight         378.82
_chemical_melting_point          332
_chemical_name_common            tris(dimethylsilylmethyl)triethylbenzene
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-07-02 deposited with the CCDC.
2015-08-10 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 105.992(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5296(13)
_cell_length_b                   22.691(3)
_cell_length_c                   13.414(2)
_cell_measurement_reflns_used    6980
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.4816
_cell_measurement_theta_min      3.0653
_cell_volume                     2495.7(6)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type
;
'Saturn724+ (4x4 bin mode)'
;
_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  0.1054
_diffrn_reflns_av_sigmaI/netI    0.0678
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            19840
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.12
_exptl_absorpt_coefficient_mu    0.192
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.008
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       granule
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.757
_refine_diff_density_min         -0.449
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     238
_refine_ls_number_reflns         5674
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0601
_refine_ls_R_factor_gt           0.0523
_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^)+(0.0475P)^2^+1.3353P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1258
_refine_ls_wR_factor_ref         0.1325
_reflns_number_gt                4979
_reflns_number_total             5674
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc04515k2.cif.txt
_cod_data_source_block           Et3C6(CH2SiMe2H)3_2a
_cod_original_cell_volume        2495.7(7)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7117822