Bis[1,1,3,3-tetramethyl-1,3-bis(dichloroacetato)distannoxane]
Amini, Mostafa M.; Abadi, Shabnam Hossein; Mirzaee, Mahdi; Yang, Shi-Yao; Ng, Seik Weng; Acta Crystallographica Section E 59 (2003) m876–m877; doi:10.1107/S1600536803019421

data_2202371
_publ_section_title
;
 Bis[1,1,3,3-tetramethyl-1,3-bis(dichloroacetato)distannoxane]
;
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m876
_journal_page_last               m877
_journal_paper_doi               10.1107/S1600536803019421
_journal_volume                  59
_journal_year                    2003
_chemical_formula_iupac          '[Sn4 (C2 H O2 Cl2)4 (C H3)8 O2]'
_chemical_formula_moiety         '4Sn, O2, 8(C H3), 4(C2 H O2 Cl2)'
_chemical_formula_sum            'C16 H28 Cl8 O10 Sn4'
_chemical_formula_weight         1138.74
_chemical_name_systematic
;
 Bis[1,1,3,3-tetramethyl-1,3-bis(dichloroacetato)distannoxane]
;
_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                91.6740(10)
_cell_angle_beta                 113.1290(10)
_cell_angle_gamma                96.6510(10)
_cell_formula_units_Z            1
_cell_length_a                   8.9026(5)
_cell_length_b                   9.6131(6)
_cell_length_c                   11.2145(7)
_cell_measurement_reflns_used    3478
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      2.5
_cell_volume                     873.74(9)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.91
_diffrn_measured_fraction_theta_max 0.91
_diffrn_measurement_device_type  'Bruker APEX area-detector diffractometer'
_diffrn_measurement_method       '\f and \w scan'
_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  0.037
_diffrn_reflns_av_sigmaI/netI    0.072
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            7696
_diffrn_reflns_theta_full        28.3
_diffrn_reflns_theta_max         28.3
_diffrn_reflns_theta_min         2.0
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.48
_exptl_absorpt_correction_T_max  0.659
_exptl_absorpt_correction_T_min  0.540
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    2.164
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Parallelepiped
_exptl_crystal_F_000             540
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.98
_refine_diff_density_min         -1.07
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     176
_refine_ls_number_reflns         3977
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.079
_refine_ls_R_factor_gt           0.059
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0466P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.116
_refine_ls_wR_factor_ref         0.129
_reflns_number_gt                3218
_reflns_number_total             3977
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt6341.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' 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_cell_volume        873.73(9)
_cod_database_code               2202371
_cod_database_fobs_code          2202371