Low-temperature redetermination of tribenzylchloridotin(IV)
Ng, Seik Weng; Acta Crystallographica Section E 65 (2009) m238–; doi:10.1107/S160053680900289X

data_2220799
_publ_section_title
;
 Low-temperature redetermination of tribenzylchloridotin(IV)
;
_journal_coeditor_code           HB2901
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m238
_journal_paper_doi               10.1107/S160053680900289X
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          '[Sn (C7 H7)3 Cl]'
_chemical_formula_moiety         'C21 H21 Cl Sn'
_chemical_formula_sum            'C21 H21 Cl Sn'
_chemical_formula_weight         427.52
_chemical_name_systematic
;
tribenzylchloridotin(IV)
;
_space_group_IT_number           146
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'R 3'
_symmetry_space_group_name_H-M   'R 3 :H'
_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                120.00
_cell_formula_units_Z            6
_cell_length_a                   16.7985(2)
_cell_length_b                   16.7985
_cell_length_c                   11.6875(2)
_cell_measurement_reflns_used    5172
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      2.4
_cell_volume                     2856.23(6)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX'
_diffrn_measurement_method       \w
_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  0.0144
_diffrn_reflns_av_sigmaI/netI    0.0147
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9077
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         2.24
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.479
_exptl_absorpt_correction_T_max  0.917
_exptl_absorpt_correction_T_min  0.589
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.491
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1284
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.526
_refine_diff_density_min         -0.253
_refine_ls_abs_structure_details 'Flack (1983), 1372 Fridel pairs'
_refine_ls_abs_structure_Flack   -0.01(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     139
_refine_ls_number_reflns         2737
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0300
_refine_ls_R_factor_gt           0.0263
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0515P)^2^+0.375P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0693
_refine_ls_wR_factor_ref         0.0743
_reflns_number_gt                2431
_reflns_number_total             2737
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb2901.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'R 3'
_cod_database_code               2220799
_cod_database_fobs_code          2220799