Bis(trimethylsilyl)amide complexes of s-block metals with bidentate ether and amine ligands.
Schüler, Philipp; Görls, Helmar; Westerhausen, Matthias; Krieck, Sven; Dalton transactions (Cambridge, England : 2003) 48 (2019) 8966–8975; doi:10.1039/c9dt01426h

data_7701544
_publ_section_title
;
 Bis(trimethylsilyl)amide complexes of s-block metals with bidentate ether
 and amine ligands.
;
_journal_issue                   24
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8966
_journal_page_last               8975
_journal_paper_doi               10.1039/c9dt01426h
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C24 H68 N6 Na2 Si4'
_chemical_formula_sum            'C24 H68 N6 Na2 Si4'
_chemical_formula_weight         599.18
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2019-04-01 deposited with the CCDC.	2019-05-10 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.178(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.1441(3)
_cell_length_b                   11.4784(4)
_cell_length_c                   31.0449(9)
_cell_measurement_reflns_used    24609
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      27.42
_cell_measurement_theta_min      1.86
_cell_volume                     3920.3(2)
_computing_cell_refinement       DENZO
_computing_data_collection       COLLECT
_computing_data_reduction        DENZO
_computing_molecular_graphics    SHELXTL/PC
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'phi- + omega-scan'
_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  0.0783
_diffrn_reflns_av_sigmaI/netI    0.0705
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            24609
_diffrn_reflns_theta_full        27.42
_diffrn_reflns_theta_max         27.42
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    0.195
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6701
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker-AXS, 2002'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.015
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1328
_exptl_crystal_size_max          0.122
_exptl_crystal_size_mid          0.102
_exptl_crystal_size_min          0.088
_refine_diff_density_max         0.320
_refine_diff_density_min         -0.345
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.166
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         8784
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.166
_refine_ls_R_factor_all          0.1111
_refine_ls_R_factor_gt           0.0783
_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^)+(0.0000P)^2^+7.6969P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1258
_refine_ls_wR_factor_ref         0.1380
_reflns_number_gt                6636
_reflns_number_total             8784
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9dt01426h2.cif
_cod_data_source_block           FO6408
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7701544