Adducts of the supraicosahedral stannacarborane 1,6-Me2-4,1,6-closo-SnC2B10H10; synthetic, structural and computational studies
Abram, Peter D.; McKay, David; Ellis, David; Macgregor, Stuart A.; Rosair, Georgina M.; Sancho, Rodrigo; Welch, Alan J.; Dalton Transactions  (2009) 2345–2351; doi:10.1039/b821417d

data_7000846
_publ_section_title
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 Adducts of the supraicosahedral stannacarborane
 1,6-Me2-4,1,6-closo-SnC2B10H10; synthetic, structural and
 computational studies
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_journal_issue                   13
_journal_name_full               'Dalton Transactions'
_journal_page_first              2345
_journal_page_last               2351
_journal_paper_doi               10.1039/b821417d
_journal_year                    2009
_chemical_formula_sum            'C27 H32 B10 Cl2 D2 N2 Sn'
_chemical_formula_weight         686.26
_chemical_name_systematic
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?
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_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.4342(11)
_cell_length_b                   16.0203(16)
_cell_length_c                   17.1455(18)
_cell_measurement_reflns_used    106
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      17.24
_cell_measurement_theta_min      3.23
_cell_volume                     3140.7(5)
_computing_cell_refinement       'APEX2 (Bruker, 2006)'
_computing_data_collection       'APEX2 (Bruker, 2006)'
_computing_data_reduction        'APEX2 (Bruker, 2006)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2003)'
_computing_publication_material  'SHELXTL (Bruker, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.1347
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            12491
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.63
_diffrn_reflns_theta_min         1.74
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.007
_exptl_absorpt_correction_T_max  0.8241
_exptl_absorpt_correction_T_min  0.6889
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   TWINABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.451
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1376
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.739
_refine_diff_density_min         -1.667
_refine_diff_density_rms         0.198
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.12(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     398
_refine_ls_number_reflns         12491
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.1339
_refine_ls_R_factor_gt           0.0695
_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^)+(0.1000P)^2^+0.0186P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1588
_refine_ls_wR_factor_ref         0.1887
_reflns_number_gt                7773
_reflns_number_total             12491
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b821417d.txt
_cod_data_source_block           4
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 
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_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               7000846