Bis(4,4'-bipyridine-κ<i>N</i>)tetrakis(nitrato-κ^2^<i>O</i>,<i>O</i>')tin(IV)
H. Zhong; X.-R. Zeng; X.-M. Yang; Q.-Y. Luo; Acta Crystallographica Section E 63 (2007) m1566–m1566; doi:10.1107/S1600536807020880

data_2213643
_publ_section_title
Bis(4,4'-bipyridine-\k<i>N</i>)tetrakis(nitrato-\k^2^<i>O</i>,<i>O</i>')tin(IV)
_journal_coeditor_code           AT2281
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m1566
_journal_page_last               m1566
_journal_paper_doi               10.1107/S1600536807020880
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          '[Sn (N O3)4 (C10 H8 N2)2]'
_chemical_formula_moiety         'C20 H16 N8 O12 Sn'
_chemical_formula_sum            'C20 H16 N8 O12 Sn'
_chemical_formula_weight         679.10
_chemical_name_systematic
;
Bis(4,4'-bipyridine-\kN)tetrakis(nitrato-\k^2^<i>O</i>,<i>O</i>')tin(IV)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 117.991(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.112(6)
_cell_length_b                   7.813(4)
_cell_length_c                   17.302(9)
_cell_measurement_reflns_used    8336
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      29.254
_cell_measurement_theta_min      2.382
_cell_volume                     2400.7(19)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Siemens, 1996)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.965
_diffrn_measured_fraction_theta_max 0.965
_diffrn_measurement_device_type  'Bruker APEX II area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0143
_diffrn_reflns_av_sigmaI/netI    0.0111
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            7607
_diffrn_reflns_theta_full        26.05
_diffrn_reflns_theta_max         26.05
_diffrn_reflns_theta_min         2.29
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.149
_exptl_absorpt_correction_T_max  0.7969
_exptl_absorpt_correction_T_min  0.6564
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.879
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1352
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.913
_refine_diff_density_min         -0.481
_refine_ls_extinction_coef       0.0039(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     187
_refine_ls_number_reflns         2286
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0349
_refine_ls_R_factor_gt           0.0344
_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^)+(0.0667P)^2^+18.0815P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1192
_refine_ls_wR_factor_ref         0.1196
_reflns_number_gt                2249
_reflns_number_total             2286
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            at2281.cif
_cod_data_source_block           I
_cod_original_cell_volume        2400.9(18)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2213643
_cod_database_fobs_code          2213643