Chemistry of a Novel Family of Tridentate Alkoxy Tin(II) Clusters
Timothy J. Boyle; Judith M. Segall; Todd M. Alam; Mark A. Rodriguez; Jessica M. Santana; Journal of the American Chemical Society 124 (2002) 6904–6913; doi:10.1021/ja0202309

data_4114880
_publ_section_title
;
 Chemistry of a Novel Family of Tridentate Alkoxy Tin(II) Clusters
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6904
_journal_page_last               6913
_journal_paper_doi               10.1021/ja0202309
_journal_volume                  124
_journal_year                    2002
_chemical_formula_sum            'C20 H40 O8 Sn4'
_chemical_formula_weight         883.28
_chemical_name_common            Sn4(THME)2[OBu(OMe)]2
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 92.027(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.051(2)
_cell_length_b                   12.1069(18)
_cell_length_c                   15.607(2)
_cell_measurement_temperature    168(2)
_cell_volume                     2842.1(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      168(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0191
_diffrn_reflns_av_sigmaI/netI    0.0180
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            12491
_diffrn_reflns_theta_full        23.27
_diffrn_reflns_theta_max         23.27
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    3.512
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.064
_exptl_crystal_description       parallelogr
_exptl_crystal_F_000             1696
_exptl_crystal_size_max          0.5
_exptl_crystal_size_min          0.5
_refine_diff_density_max         0.683
_refine_diff_density_min         -1.016
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     295
_refine_ls_number_reflns         4090
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0312
_refine_ls_R_factor_gt           0.0267
_refine_ls_shift/su_max          0.043
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0234P)^2^+8.8868P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0606
_refine_ls_wR_factor_ref         0.0625
_reflns_number_gt                3671
_reflns_number_total             4090
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0202309_09.cif
_cod_data_source_block           tjb091p_structure_5_OBu(OMe)
_cod_original_cell_volume        2842.2(7)
_cod_database_code               4114880