Acyclic Dialkylstannylene and -Plumbylene Compounds That Are Monomeric in the Solid State
Izod, Keith; Wills, Corinne; Clegg, William; Harrington, Ross W.; Organometallics 28 (2009) 5661–; doi:10.1021/om900614q

data_4070102
_publ_section_title
;
 Acyclic Dialkylstannylene and -Plumbylene Compounds That Are Monomeric in
 the Solid State
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              5661
_journal_paper_doi               10.1021/om900614q
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety         'C12 H38 B2 P2 Si2 Sn'
_chemical_formula_sum            'C12 H38 B2 P2 Si2 Sn'
_chemical_formula_weight         440.85
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 100.905(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.68543(14)
_cell_length_b                   21.6435(3)
_cell_length_c                   15.9783(4)
_cell_measurement_reflns_used    14395
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      29.48
_cell_measurement_theta_min      2.82
_cell_volume                     2270.25(8)
_computing_cell_refinement       CrysAlisPro
_computing_data_collection       CrysAlisPro
_computing_data_reduction        CrysAlisPro
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL and local programs'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 10.3968
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.891
_diffrn_measurement_device_type
'Oxford Diffraction Gemini A Ultra diffractometer'
_diffrn_measurement_method       'thick-slice \w scans'
_diffrn_radiation_monochromator  none
_diffrn_radiation_source         'sealed tube with Enhance optics'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0322
_diffrn_reflns_av_sigmaI/netI    0.0322
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            24088
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         29.55
_diffrn_reflns_theta_min         3.10
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.361
_exptl_absorpt_correction_T_max  0.686
_exptl_absorpt_correction_T_min  0.612
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   CrysAlisPro
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.507
_refine_diff_density_min         -0.464
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     206
_refine_ls_number_reflns         5661
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0357
_refine_ls_R_factor_gt           0.0227
_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^)+(0.0243P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0466
_refine_ls_wR_factor_ref         0.0485
_reflns_number_gt                4520
_reflns_number_total             5661
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om900614q_si_002.cif
_cod_data_source_block           ki347_compound15
_cod_original_cell_volume        2270.24(7)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4070102