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_7055396
_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         'C21 H22 N4 Sn'
_chemical_formula_sum            'C21 H22 N4 Sn'
_chemical_formula_weight         449.12
_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                 118.559(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.7010(5)
_cell_length_b                   14.8150(6)
_cell_length_c                   17.4601(9)
_cell_measurement_reflns_used    23147
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1
_cell_volume                     1976.8(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 0.981
_diffrn_measured_fraction_theta_max 0.981
_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  0.0235
_diffrn_reflns_av_sigmaI/netI    0.0147
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            23121
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.99
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.304
_exptl_absorpt_correction_T_max  0.760
_exptl_absorpt_correction_T_min  0.614
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.509
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.58
_exptl_crystal_size_mid          0.44
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.598
_refine_diff_density_min         -0.524
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.216
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         4442
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.216
_refine_ls_R_factor_all          0.0248
_refine_ls_R_factor_gt           0.0189
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0149P)^2^+1.5910P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0441
_refine_ls_wR_factor_ref         0.0514
_reflns_number_gt                3974
_reflns_number_total             4442
_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_cell_volume        1976.9(2)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7055396