Reaction of a 14-Vertex Carborane with Nucleophiles: Formation of nido-C2B12, nido-C2B11, and closo-CB11 Carborane Anions
Jian Zhang; Fangrui Zheng; Hoi-Shan Chan; Zuowei Xie; Inorganic Chemistry 48 (2009) 9786–9791; doi:10.1021/ic901335w

data_4303396
_publ_section_title
;
Reaction of a 14-Vertex Carborane with Nucleophiles: Formation
of nido-C2B12, nido-C2B11, and closo-CB11 Carborane Anions
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9786
_journal_page_last               9791
_journal_paper_doi               10.1021/ic901335w
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C8 H26 B11 N'
_chemical_formula_weight         255.21
_chemical_name_systematic
; 
 ? 
;
_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                   7.8487(3)
_cell_length_b                   10.4150(3)
_cell_length_c                   20.1837(6)
_cell_measurement_temperature    296(2)
_cell_volume                     1649.90(9)
_computing_cell_refinement       'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_data_collection       'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_data_reduction        'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_computing_molecular_graphics    'SIEMENS SHELXTL'
_computing_publication_material  'SIEMENS SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.922
_diffrn_measured_fraction_theta_max 0.922
_diffrn_measurement_device_type  'BRUKER KAPPA APEXII DUO DIFFRACTOMETER'
_diffrn_measurement_method       'OMEGA SCAN'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0399
_diffrn_reflns_av_sigmaI/netI    0.0439
_diffrn_reflns_limit_h_max       2
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            4964
_diffrn_reflns_theta_full        66.97
_diffrn_reflns_theta_max         66.97
_diffrn_reflns_theta_min         4.38
_exptl_absorpt_coefficient_mu    0.331
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.522922
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.027
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_platon_squeeze_details
;
;
_refine_diff_density_max         0.764
_refine_diff_density_min         -0.250
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2592
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.1139
_refine_ls_R_factor_gt           0.0991
_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^)+(0.1953P)^2^+0.4709P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2731
_refine_ls_wR_factor_ref         0.2898
_reflns_number_gt                2068
_reflns_number_total             2592
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic901335w_si_001_2.cif
_cod_data_source_block           '[Me3NH][2c]'
_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 
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_cod_database_code               4303396