Reactivity of lithium n-butyl amidinates towards group 14 metal(ii) chlorides providing series of hetero- and homoleptic tetrylenes.
Chlupatý, Tomáš; Padělková, Zdeňka; Lyčka, Antonín; Brus, Jiří; Růžička, Aleš; Dalton transactions (Cambridge, England : 2003) 41 (2012) 5010–5019; doi:10.1039/c2dt12472f

data_7018745
_publ_section_title
;
 Reactivity of lithium n-butyl amidinates towards group 14 metal(ii)
 chlorides providing series of hetero- and homoleptic tetrylenes.
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5010
_journal_page_last               5019
_journal_paper_doi               10.1039/c2dt12472f
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C44 H92 Cl4 N8 O2 Sn4'
_chemical_formula_sum            'C44 H92 Cl4 N8 O2 Sn4'
_chemical_formula_weight         1381.82
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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
_cell_angle_beta                 123.122(12)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   23.5241(9)
_cell_length_b                   17.8710(11)
_cell_length_c                   16.6439(7)
_cell_measurement_reflns_used    47504
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.0
_cell_measurement_theta_min      1
_cell_volume                     5860.1(9)
_computing_cell_refinement       'COLLECT and DENZO'
_computing_data_collection
'COLLECT (Hooft, 1998) and DENZO (Otwinowski & Minor, 1997)'
_computing_data_reduction        'COLLECT and DENZO'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(1)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker Nonius KappaCCD area detector'
_diffrn_measurement_method       '\f and \w scans to fill the Ewald sphere'
_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  0.1117
_diffrn_reflns_av_sigmaI/netI    0.0594
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            47387
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.54
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.907
_exptl_absorpt_correction_T_max  0.895
_exptl_absorpt_correction_T_min  0.818
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.566
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2784
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.723
_refine_diff_density_min         -0.904
_refine_diff_density_rms         0.175
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.188
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         6389
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.188
_refine_ls_R_factor_all          0.0882
_refine_ls_R_factor_gt           0.0491
_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^)+(0.0055P)^2^+38.6802P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0690
_refine_ls_wR_factor_ref         0.0804
_reflns_number_gt                4554
_reflns_number_total             6389
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt12472f.txt
_cod_data_source_block           shelxld
_cod_original_cell_volume        5860.0(3)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7018745