Bis(bicyclo[2.2.1]hept-5-ene-2-carboxylato)-1κ^2^<i>O</i>,<i>O</i>';4κ^2^<i>O</i>,<i>O</i>'-di-μ~2~-chlorido-1:2κ^2^<i>Cl</i>;3:4κ^2^<i>Cl</i>-octamethyl-1κ^2^<i>C</i>,2κ^2^<i>C</i>,3κ^2^<i>C</i>,4κ^2^<i>C</i>-di-μ~3~-oxido-1:2:3κ^3^<i>O</i>;2:3:4κ^3^<i>O</i>-tetratin(IV)
Ren, Yupo; Acta Crystallographica Section E 67 (2011) m984–; doi:10.1107/S1600536811023452

data_2230853
_publ_section_title
;
 Bis(bicyclo[2.2.1]hept-5-ene-2-carboxylato)-1\k^2^<i>O</i>,<i>O</i>';4\k^2^<i>O</i>,<i>O</i>'-di-\m~2~-chlorido-1:2\k^2^<i>Cl</i>;3:4\k^2^<i>Cl</i>-octamethyl-1\k^2^<i>C</i>,2\k^2^<i>C</i>,3\k^2^<i>C</i>,4\k^2^<i>C</i>-di-\m~3~-oxido-1:2:3\k^3^<i>O</i>;2:3:4\k^3^<i>O</i>-tetratin(IV)
;
_journal_coeditor_code           RZ2611
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m984
_journal_paper_doi               10.1107/S1600536811023452
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          '[Sn4 (C H3)8 (C8 H9 O2)2 Cl2 O2]'
_chemical_formula_moiety         'C24 H42 Cl2 O6 Sn4'
_chemical_formula_sum            'C24 H42 Cl2 O6 Sn4'
_chemical_formula_weight         972.24
_chemical_name_systematic
;
Bis(bicyclo[2.2.1]hept-5-ene-2-carboxylato)-
1\k^2^<i>O</i>,<i>O</i>';4\k^2^<i>O</i>,<i>O</i>'-di-\m~2~-chlorido-
1:2\k^2^<i>Cl</i>;3:4\k^2^<i>Cl</i>-octamethyl-
1\k^2^<i>C</i>,2\k^2^<i>C</i>,3\k^2^<i>C</i>,4\k^2^<i>C</i>-di-\m~3~-oxido-
1:2:3\k^3^<i>O</i>;2:3:4\k^3^<i>O</i>-tetratin(IV)
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                109.779(2)
_cell_angle_beta                 96.3400(10)
_cell_angle_gamma                97.2040(10)
_cell_formula_units_Z            1
_cell_length_a                   9.3685(12)
_cell_length_b                   9.8651(13)
_cell_length_c                   9.9103(15)
_cell_measurement_reflns_used    1509
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.187
_cell_measurement_theta_min      2.215
_cell_volume                     843.5(2)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        'SAINT (Siemens, 1996)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Siemens 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  0.0237
_diffrn_reflns_av_sigmaI/netI    0.0594
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4366
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.21
_exptl_absorpt_coefficient_mu    3.117
_exptl_absorpt_correction_T_max  0.8597
_exptl_absorpt_correction_T_min  0.6874
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.914
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.855
_refine_diff_density_min         -0.638
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         2915
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0831
_refine_ls_R_factor_gt           0.0467
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0634P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1097
_refine_ls_wR_factor_ref         0.1296
_reflns_number_gt                1818
_reflns_number_total             2915
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            rz2611.cif
_cod_data_source_block           I
_cod_database_code               2230853
_cod_database_fobs_code          2230853