Germanium(II) and Tin(II) Complexes of a Sterically Demanding Phosphanide Ligand
Keith Izod; John Stewart; Ewan R. Clark; William Clegg; Ross W. Harrington; Inorganic Chemistry 49 (2010) 4698–4707; doi:10.1021/ic1003534

data_4315526
_publ_section_title
;
 Germanium(II) and Tin(II) Complexes of a Sterically Demanding Phosphanide
 Ligand
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4698
_journal_page_last               4707
_journal_paper_doi               10.1021/ic1003534
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C38 H80 N4 Na2 P2 Si4'
_chemical_formula_sum            'C38 H80 N4 Na2 P2 Si4'
_chemical_formula_weight         813.34
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                93.371(2)
_cell_angle_beta                 100.996(2)
_cell_angle_gamma                111.007(2)
_cell_formula_units_Z            2
_cell_length_a                   11.8928(12)
_cell_length_b                   13.3060(13)
_cell_length_c                   17.8681(18)
_cell_measurement_reflns_used    6192
_cell_measurement_temperature    160(2)
_cell_measurement_theta_max      28.27
_cell_measurement_theta_min      2.40
_cell_volume                     2566.1(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      160(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.936
_diffrn_measurement_device_type  'Bruker SMART 1K CCD diffractometer'
_diffrn_measurement_method       'thin-slice \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0222
_diffrn_reflns_av_sigmaI/netI    0.0355
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            22965
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.66
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.223
_exptl_absorpt_correction_T_max  0.916
_exptl_absorpt_correction_T_min  0.906
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.053
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.387
_refine_diff_density_min         -0.409
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     471
_refine_ls_number_reflns         11925
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0660
_refine_ls_R_factor_gt           0.0476
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0469P)^2^+1.0703P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1091
_refine_ls_wR_factor_ref         0.1180
_reflns_number_gt                9215
_reflns_number_total             11925
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic1003534_si_001_2.cif
_cod_data_source_block           ki276_compound_16(tmeda)
_cod_database_code               4315526