Tetrameric triphenylsilanol, (Ph~3~SiOH)~4~, and the adduct (Ph~3~SiOH)~2~–dimethyl sulfoxide, both at 120K, and the adduct (Ph~3~SiOH)~4~–1,4-dioxan at 150K: interplay of O—H···O and C—H···π(arene) interactions
Bowes, Katharine F.; Glidewell, Christopher; Low, John N.; Acta Crystallographica Section C 58 (2002) o409–o415; doi:10.1107/S0108270102009381

data_2012838
_publ_section_title
;
 Tetrameric triphenylsilanol, (Ph~3~SiOH)~4~, and the adduct
 (Ph~3~SiOH)~2~--dimethyl sulfoxide, both at 120K, and the adduct
 (Ph~3~SiOH)~4~--1,4-dioxan at 150K: interplay of
 O---H&#x00B7;&#x00B7;&#x00B7;O and
 C---H&#x00B7;&#x00B7;&#x00B7;\p(arene) interactions
;
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o409
_journal_page_last               o415
_journal_paper_doi               10.1107/S0108270102009381
_journal_volume                  58
_journal_year                    2002
_chemical_formula_moiety         '4C18 H16 O Si , C4 H8 O2'
_chemical_formula_sum            'C76 H72 O6 Si4'
_chemical_formula_weight         1193.7
_chemical_name_systematic
;
Tetrakis(triphenylsilanol) 1,4-dioxan solvate
;
_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
_cell_angle_alpha                87.730(3)
_cell_angle_beta                 80.906(3)
_cell_angle_gamma                87.8040(17)
_cell_formula_units_Z            1
_cell_length_a                   9.3033(3)
_cell_length_b                   11.6929(5)
_cell_length_c                   14.7154(6)
_cell_measurement_reflns_used    6905
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.45
_cell_measurement_theta_min      3.06
_cell_volume                     1578.58(11)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD Server Software (Nonius, 1997)'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'PLATON (Spek, 2002)'
_computing_publication_material  'SHELXL97 and  PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.959
_diffrn_measured_fraction_theta_max 0.959
_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 X-ray tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.136
_diffrn_reflns_av_sigmaI/netI    0.188
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            23329
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         3.06
_diffrn_standards_decay_%        negligible
_exptl_absorpt_coefficient_mu    0.149
_exptl_absorpt_correction_T_max  0.985
_exptl_absorpt_correction_T_min  0.937
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(DENZO-SMN; Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.27
_refine_diff_density_min         -0.41
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.917
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         6905
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.917
_refine_ls_R_factor_all          0.183
_refine_ls_R_factor_gt           0.063
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0390P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.104
_refine_ls_wR_factor_ref         0.135
_reflns_number_gt                3185
_reflns_number_total             6905
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk1558.cif
_cod_data_source_block           III
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               2012838
_cod_database_fobs_code          2012838