Contrasting reductions of group 14 metal(II) chloride complexes: synthesis of a ?-diketiminato tin(I) dimer
Sam L. Choong; Christian Schenk; Andreas Stasch; Deepak Dange; Cameron Jones; Chem.Commun. 48 (2012) 2504–; doi:10.1039/c2cc18086c

data_7107428
_publ_section_title
;
 Contrasting reductions of group 14 metal(II) chloride complexes:
 synthesis of a ?-diketiminato tin(I) dimer
;
_journal_name_full               Chem.Commun.
_journal_page_first              2504
_journal_paper_doi               10.1039/c2cc18086c
_journal_volume                  48
_journal_year                    2012
_chemical_formula_sum            'C52 H70 Ge Mg N4'
_chemical_formula_weight         848.02
_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                 105.60(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.546(4)
_cell_length_b                   12.171(2)
_cell_length_c                   19.870(4)
_cell_measurement_temperature    100(2)
_cell_volume                     4785.8(17)
_computing_cell_refinement       'XDS (Kabsch, 1993)'
_computing_data_collection       'Blu-Ice (McPhillips, 2002)'
_computing_data_reduction        'XDS (Kabsch, 1993)'
_computing_molecular_graphics    X-Seed
_computing_publication_material  CifTAB
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'ADSC Quantum 210r'
_diffrn_radiation_source         'Australian Synchrotron'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0183
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            82740
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.62
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    0.691
_exptl_absorpt_correction_T_max  0.9931
_exptl_absorpt_correction_T_min  0.9796
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   XDS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.177
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1816
_exptl_crystal_size_max          0.03
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.539
_refine_diff_density_min         -0.978
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     543
_refine_ls_number_reflns         12014
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0458
_refine_ls_R_factor_gt           0.0414
_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^)+(0.0572P)^2^+3.6699P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1046
_refine_ls_wR_factor_ref         0.1078
_reflns_number_gt                10900
_reflns_number_total             12014
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc18086c.txt
_cod_data_source_block           (MesNac)MgN(Mes)Ge(C3tBu2NMes)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7107428