New 13-vertex metallacarborane sandwich compounds; synthetic and structural studies
Ellis, David; McIntosh, Ruaraidh D.; Esquirolea, Susana; Viñas, Clara; Rosair, Georgina M.; Teixidor, Francesc; Welch, Alan J.; Dalton Transactions  (2008) 1009–1017; doi:10.1039/b716169g

data_7003440
_publ_section_title
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 New 13-vertex metallacarborane sandwich compounds; synthetic and
 structural studies
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_journal_issue                   8
_journal_name_full               'Dalton Transactions'
_journal_page_first              1009
_journal_page_last               1017
_journal_paper_doi               10.1039/b716169g
_journal_year                    2008
_chemical_formula_moiety         'C4 H24 B20 Ti, 2(C12 H24 K O6), 2(C H Cl3)'
_chemical_formula_sum            'C30 H74 B20 Cl6 K2 O12 Ti'
_chemical_formula_weight         1181.89
_chemical_name_systematic
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?

;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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                   13.6324(11)
_cell_length_b                   15.6852(13)
_cell_length_c                   27.643(2)
_cell_measurement_reflns_used    9937
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.57
_cell_measurement_theta_min      2.97
_cell_volume                     5910.8(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.994
_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  0.0732
_diffrn_reflns_av_sigmaI/netI    0.0664
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            104648
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.88
_diffrn_reflns_theta_min         1.47
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.605
_exptl_absorpt_correction_T_max  0.930
_exptl_absorpt_correction_T_min  0.857
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2002)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.328
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2448
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.606
_refine_diff_density_min         -1.217
_refine_diff_density_rms         0.091
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.39(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     688
_refine_ls_number_reflns         15426
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.1086
_refine_ls_R_factor_gt           0.0685
_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^)+(0.0967P)^2^+8.8928P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1659
_refine_ls_wR_factor_ref         0.1936
_reflns_number_gt                10892
_reflns_number_total             15426
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b716169g.txt
_cod_data_source_block           x80799
_cod_depositor_comments
;
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 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7003440