Counterion Dependence on the Synthetic Viability of NHC-stabilized Dichloroborenium Cations
Muthaiah, Senthilkumar; Do, Dinh Cao Huan; Ganguly, Rakesh; Vidović, Dragoslav; Organometallics 32 (2013) 6718–; doi:10.1021/om400541q

data_4081785
_publ_section_title
;
 Counterion Dependence on the Synthetic Viability of NHC-stabilized
 Dichloroborenium Cations
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              6718
_journal_paper_doi               10.1021/om400541q
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C24 H12 B Cl8, C11 H20 B Cl2 N2'
_chemical_formula_sum            'C35 H32 B2 Cl10 N2'
_chemical_formula_weight         856.75
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_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                 93.887(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.4034(6)
_cell_length_b                   13.6003(6)
_cell_length_c                   21.6148(10)
_cell_measurement_reflns_used    6655
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      25.54
_cell_measurement_theta_min      2.92
_cell_volume                     3931.1(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      103(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0548
_diffrn_reflns_av_sigmaI/netI    0.0660
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            32133
_diffrn_reflns_theta_full        29.65
_diffrn_reflns_theta_max         29.65
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    0.738
_exptl_absorpt_correction_T_max  0.8089
_exptl_absorpt_correction_T_min  0.7567
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.448
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.610
_refine_diff_density_min         -0.362
_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   0.09(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     448
_refine_ls_number_reflns         10000
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0512
_refine_ls_R_factor_gt           0.0410
_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^)+(0.0523P)^2^+2.3889P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0902
_refine_ls_wR_factor_ref         0.1162
_reflns_number_gt                8725
_reflns_number_total             10000
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400541q_si_002.cif
_cod_data_source_block           4BCl2BArCl
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               4081785