[μ-Pyruvic acid benzoylhydrazonato(2–)]bis[methanoldimethyltin(IV)]
Ling-Na Sun; Chang-Wen Hu; Acta Crystallographica Section E 63 (2007) m1832–m1833; doi:10.1107/S1600536807005570

data_2214438
_publ_section_title
;
 [\m-Pyruvic acid benzoylhydrazonato(2--)]bis[methanoldimethyltin(IV)]
;
_journal_coeditor_code           XU2188
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m1832
_journal_page_last               m1833
_journal_paper_doi               10.1107/S1600536807005570
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          '[Sn2 (C H3)4 (C10 H8 N2 O3)2 (C H4 O)2]'
_chemical_formula_moiety         'C26 H36 N4 O8 Sn2'
_chemical_formula_sum            'C26 H36 N4 O8 Sn2'
_chemical_formula_weight         769.96
_chemical_melting_point          396.5
_chemical_name_systematic
;
[\m-Pyruvic acid benzoylhydrazonato(2-)]bis[methanoldimethyltin(IV)]
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 115.346(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.408(10)
_cell_length_b                   18.910(17)
_cell_length_c                   8.911(8)
_cell_measurement_reflns_used    2118
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      22.7
_cell_measurement_theta_min      2.3
_cell_volume                     1585(3)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 1.00
_diffrn_measurement_device_type  'Bruker SMART CCD 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  0.036
_diffrn_reflns_av_sigmaI/netI    0.042
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            8215
_diffrn_reflns_theta_full        25.0
_diffrn_reflns_theta_max         25.0
_diffrn_reflns_theta_min         2.1
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.625
_exptl_absorpt_correction_T_max  0.750
_exptl_absorpt_correction_T_min  0.470
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.613
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.57
_refine_diff_density_min         -0.55
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     187
_refine_ls_number_reflns         2809
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.996
_refine_ls_R_factor_all          0.056
_refine_ls_R_factor_gt           0.034
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0338P)^2^+2.1392P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.072
_refine_ls_wR_factor_ref         0.084
_reflns_number_gt                2060
_reflns_number_total             2809
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            xu2188.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2214438
_cod_database_fobs_code          2214438