C,N-Chelated organotin(iv) azides: synthesis, structure and use within click chemistry
Švec, Petr; Bartoš, Karel; Růžičková, Zdeňka; Cuřínová, Petra; Dušek, Libor; Turek, Jan; De Proft, Frank; Růžička, Aleš; New J. Chem. 40 (2016) 5808–; doi:10.1039/C5NJ03187G

data_7055398
_publ_section_title
;
 C,N-Chelated organotin(iv) azides: synthesis, structure and use within
 click chemistry
;
_journal_issue                   7
_journal_name_full               'New J. Chem.'
_journal_page_first              5808
_journal_paper_doi               10.1039/C5NJ03187G
_journal_volume                  40
_journal_year                    2016
_chemical_formula_moiety         'C18 H24 N8 Sn'
_chemical_formula_sum            'C18 H24 N8 Sn'
_chemical_formula_weight         471.14
_chemical_name_systematic
; 
 ? 
;
_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
_audit_update_record
;
2015-10-22 deposited with the CCDC.
2016-02-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 120.993(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.9650(6)
_cell_length_b                   14.0700(6)
_cell_length_c                   16.8031(11)
_cell_measurement_reflns_used    16445
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1
_cell_volume                     2019.6(2)
_computing_cell_refinement       'COLLECT and DENZO'
_computing_data_collection
'COLLECT (Hooft, 1998) and DENZO (Otwinowski & Minor, 1997)'
_computing_data_reduction        'COLLECT and DENZO'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(1)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker Nonius KappaCCD area detector'
_diffrn_measurement_method       '\f and \w scans to fill the Ewald sphere'
_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  0.0259
_diffrn_reflns_av_sigmaI/netI    0.0207
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            16394
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.02
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.285
_exptl_absorpt_correction_T_max  0.796
_exptl_absorpt_correction_T_min  0.668
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.550
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             952
_exptl_crystal_size_max          0.57
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.32
_refine_diff_density_max         1.325
_refine_diff_density_min         -0.646
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.195
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         4568
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.195
_refine_ls_R_factor_all          0.0373
_refine_ls_R_factor_gt           0.0298
_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^)+(0.0212P)^2^+3.9955P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0691
_refine_ls_wR_factor_ref         0.0755
_reflns_number_gt                4049
_reflns_number_total             4568
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5nj03187g2.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
'Adding full bibliography for 7055396--7055402.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7055398