Addition of Lappert's Stannylenes to Carbodiimides, Providing a New Class of Tin(II) Guanidinates
Chlupatý, Tomáš; Padělková, Zdeňka; DeProft, Frank; Willem, Rudolph; Růžička, Aleš; Organometallics 31 (2012) 2203–; doi:10.1021/om201118m

data_4076365
_publ_section_title
;
 Addition of Lappert's Stannylenes to Carbodiimides, Providing a New Class
 of Tin(II) Guanidinates
;
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              2203
_journal_paper_doi               10.1021/om201118m
_journal_volume                  31
_journal_year                    2012
_chemical_formula_moiety         'C42 H64 N6 Si4 Sn'
_chemical_formula_sum            'C42 H64 N6 Si4 Sn'
_chemical_formula_weight         884.04
_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
_cell_angle_beta                 100.487(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   24.0972(12)
_cell_length_b                   11.3390(7)
_cell_length_c                   17.7010(8)
_cell_measurement_reflns_used    35345
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.1
_cell_measurement_theta_min      1
_cell_volume                     4755.8(4)
_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 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0470
_diffrn_reflns_av_sigmaI/netI    0.0414
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            35302
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         1.72
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.672
_exptl_absorpt_correction_T_max  0.915
_exptl_absorpt_correction_T_min  0.796
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.235
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1856
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.426
_refine_diff_density_min         -0.444
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.098
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     478
_refine_ls_number_reflns         10377
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.098
_refine_ls_R_factor_all          0.0576
_refine_ls_R_factor_gt           0.0356
_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^)+(0.0143P)^2^+5.5710P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0657
_refine_ls_wR_factor_ref         0.0762
_reflns_number_gt                8175
_reflns_number_total             10377
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om201118m_si_002.cif
_cod_data_source_block           14
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4076365