O,S-Heterocyclic stannylenes: synthesis and reactivity.
Karwasara, Surendar; Jha, Chandan Kumar; Sinhababu, Soumen; Nagendran, Selvarajan; Dalton transactions (Cambridge, England : 2003) 45 (2016) 7200–7204; doi:10.1039/c6dt01013j

data_7038863
_publ_section_title
;
 O,S-Heterocyclic stannylenes: synthesis and reactivity.
;
_journal_issue                   17
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7200
_journal_page_last               7204
_journal_paper_doi               10.1039/c6dt01013j
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C20 H16 N4 O4 S4 Sn'
_chemical_formula_sum            'C20 H16 N4 O4 S4 Sn'
_chemical_formula_weight         623.32
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           86
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4bc'
_symmetry_space_group_name_H-M   'P 42/n :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-10-13 deposited with the CCDC.
2016-03-17 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.2261(11)
_cell_length_b                   9.2261(11)
_cell_length_c                   12.741(3)
_cell_measurement_reflns_used    953
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.000
_cell_measurement_theta_min      1.27
_cell_volume                     1084.5(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0627
_diffrn_reflns_av_sigmaI/netI    0.0454
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5581
_diffrn_reflns_theta_full        24.95
_diffrn_reflns_theta_max         24.95
_diffrn_reflns_theta_min         2.73
_exptl_absorpt_coefficient_mu    1.602
_exptl_absorpt_correction_T_max  0.555
_exptl_absorpt_correction_T_min  0.462
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.909
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       bolock
_exptl_crystal_F_000             620.0
_exptl_crystal_size_max          0.488
_exptl_crystal_size_mid          0.415
_exptl_crystal_size_min          0.367
_refine_diff_density_max         0.844
_refine_diff_density_min         -0.965
_refine_diff_density_rms         0.118
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.282
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     75
_refine_ls_number_reflns         953
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.282
_refine_ls_R_factor_all          0.0777
_refine_ls_R_factor_gt           0.0665
_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^)+(0.0517P)^2^+2.3490P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1297
_refine_ls_wR_factor_ref         0.1345
_reflns_number_gt                848
_reflns_number_total             953
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6dt01013j2.cif
_cod_data_source_block           sursn17m
_cod_depositor_comments
'Adding full bibliography for 7038861--7038866.cif.'
_cod_original_cell_volume        1084.5(4)
_cod_original_sg_symbol_H-M      'P 42/n'
_cod_database_code               7038863