Bis(μ-2-pyridine-2,6-dicarboxylato)bis[aquadimethyltin(IV)]
Mingqing Yang; Rufen Zhang; Yuying Sun; Acta Crystallographica Section E 63 (2007) m2924–m2924; doi:10.1107/S1600536807054980

data_2216626
_publ_section_title
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 Bis(\m-2-pyridine-2,6-dicarboxylato)bis[aquadimethyltin(IV)]
;
_journal_coeditor_code           LH2542
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m2924
_journal_page_last               m2924
_journal_paper_doi               10.1107/S1600536807054980
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          '[Sn2 (C H3)4 (C7 H3 N O4)2 (H2 O)2]'
_chemical_formula_moiety         'C18 H22 N2 O10 Sn2'
_chemical_formula_sum            'C18 H22 N2 O10 Sn2'
_chemical_formula_weight         663.76
_chemical_name_systematic
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Bis(\m-2-pyridine-2,6-dicarboxylato)bis[aquadimethyltin(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                 91.864(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.319(5)
_cell_length_b                   10.705(4)
_cell_length_c                   18.768(8)
_cell_measurement_reflns_used    2820
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.161
_cell_measurement_theta_min      2.619
_cell_volume                     2272.9(16)
_computing_cell_refinement       'SAINT  (Bruker, 1996)'
_computing_data_collection       'SMART (Bruker, 1996)'
_computing_data_reduction        'SAINT  (Bruker, 1996)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material  'SHELXTL (Sheldrick, 1997b)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker SMART CCD area detector'
_diffrn_measurement_method       '\f and \w 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  0.0594
_diffrn_reflns_av_sigmaI/netI    0.0662
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            5571
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    2.253
_exptl_absorpt_correction_T_max  0.7432
_exptl_absorpt_correction_T_min  0.6252
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.940
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.990
_refine_diff_density_min         -1.935
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         1998
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.098
_refine_ls_R_factor_all          0.0582
_refine_ls_R_factor_gt           0.0463
_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^)+(0.0770P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1129
_refine_ls_wR_factor_ref         0.1227
_reflns_number_gt                1645
_reflns_number_total             1998
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh2542.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2216626
_cod_database_fobs_code          2216626