On the coordination chemistry of organochalcogenolates R(NMe2)^E(-) and R(NMe2)^E^O(-) (E = S, Se) onto lead(ii) and lighter divalent tetrel elements.
Pop, Alexandra; Wang, Lingfang; Dorcet, Vincent; Roisnel, Thierry; Carpentier, Jean-François; Silvestru, Anca; Sarazin, Yann; Dalton transactions (Cambridge, England : 2003) 43 (2014) 16459–16474; doi:10.1039/c4dt02252a

data_7032500
_publ_section_title
;
 On the coordination chemistry of organochalcogenolates R(NMe2)^E(-) and
 R(NMe2)^E^O(-) (E = S, Se) onto lead(ii) and lighter divalent tetrel
 elements.
;
_journal_issue                   43
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              16459
_journal_page_last               16474
_journal_paper_doi               10.1039/c4dt02252a
_journal_volume                  43
_journal_year                    2014
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C24 H46 Ge N2 Se2 Si4'
_chemical_formula_sum            'C24 H46 Ge N2 Se2 Si4'
_chemical_formula_weight         705.5
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                97.6430(10)
_cell_angle_beta                 94.825(2)
_cell_angle_gamma                112.1520(10)
_cell_formula_units_Z            2
_cell_length_a                   8.9113(4)
_cell_length_b                   11.4671(4)
_cell_length_c                   17.4235(6)
_cell_measurement_reflns_used    5659
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      2.46
_cell_measurement_wavelength     0.71073
_cell_volume                     1616.80(11)
_computing_cell_refinement       'Bruker APEX2 (Bruker, 2006)'
_computing_data_collection       'Bruker APEX2 (Bruker, 2006)'
_computing_data_reduction        'Bruker APEX2 (Bruker, 2006)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material
;
           WinGX publication routines (Farrugia, 2012),
           CRYSCAL (T. Roisnel, local program)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0406
_diffrn_reflns_av_unetI/netI     0.0552
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            18080
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.92
_exptl_absorpt_coefficient_mu    3.363
_exptl_absorpt_correction_T_max  0.546
_exptl_absorpt_correction_T_min  0.421
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.449
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.726
_refine_diff_density_min         -0.659
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     310
_refine_ls_number_reflns         7359
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0553
_refine_ls_R_factor_gt           0.0404
_refine_ls_shift/su_max          0.02
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0312P)^2^+2.4622P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0913
_refine_ls_wR_factor_ref         0.0961
_reflns_number_gt                5884
_reflns_number_total             7359
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt02252a2.cif
_cod_data_source_block           Ge{NR2}2{SePh}2
_cod_depositor_comments
'Adding full bibliography for 7032488--7032503.cif.'
_cod_database_code               7032500