Tetrazastannoles versus distannadiazanes - a question of the tin(ii) source.
Schulz, Axel; Thomas, Max; Villinger, Alexander; Dalton transactions (Cambridge, England : 2003) 48 (2018) 125–132; doi:10.1039/c8dt04295k

data_7048236
_publ_section_title
;
 Tetrazastannoles versus distannadiazanes - a question of the tin(ii)
 source.
;
_journal_issue                   1
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              125
_journal_page_last               132
_journal_paper_doi               10.1039/c8dt04295k
_journal_volume                  48
_journal_year                    2018
_chemical_formula_moiety         'C42 H76 N4 Si2 Sn'
_chemical_formula_sum            'C42 H76 N4 Si2 Sn'
_chemical_formula_weight         811.93
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_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-2014/7
_audit_update_record
;
2018-10-11 deposited with the CCDC.
2018-11-19 downloaded from the CCDC.
;
_cell_angle_alpha                71.592(3)
_cell_angle_beta                 73.901(3)
_cell_angle_gamma                78.072(3)
_cell_formula_units_Z            2
_cell_length_a                   12.3358(9)
_cell_length_b                   14.1132(10)
_cell_length_c                   14.7235(11)
_cell_measurement_reflns_used    9298
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      30.50
_cell_measurement_theta_min      2.87
_cell_volume                     2316.8(3)
_computing_cell_refinement       'Bruker Apex V7.51A'
_computing_data_collection       'Bruker Apex V7.51A'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP-3v2.01 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 QUEST diffractometer'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0632
_diffrn_reflns_av_unetI/netI     0.0477
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            95145
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.995
_diffrn_reflns_theta_min         2.421
_diffrn_source                   'microfocus sealed tube'
_exptl_absorpt_coefficient_mu    0.634
_exptl_absorpt_correction_T_max  0.7464
_exptl_absorpt_correction_T_min  0.6528
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.164
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             868
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.090
_refine_diff_density_max         0.782
_refine_diff_density_min         -0.612
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     496
_refine_ls_number_reflns         13511
_refine_ls_number_restraints     78
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0366
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0250P)^2^+1.9387P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0692
_refine_ls_wR_factor_ref         0.0751
_reflns_Friedel_coverage         0.000
_reflns_number_gt                11086
_reflns_number_total             13511
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt04295k2.cif
_cod_data_source_block           mt256_b
_cod_depositor_comments
'Adding full bibliography for 7048230--7048236.cif.'
_cod_database_code               7048236
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.911
_shelx_estimated_absorpt_t_max   0.945
_shelx_res_checksum              99676