The complexation of tetraphenylborate with organic N-heteroaromatic cations
Kiviniemi, Sari; Nissinen, Maija; Alaviuhkola, Terhi; Rissanen, Kari; Pursiainen, Jouni; Journal of the Chemical Society, Perkin Transactions 2  (2001) 2364–; doi:10.1039/b100775k

data_7204084
_publ_section_title
;
 The complexation of tetraphenylborate with organic N-heteroaromatic
 cations
;
_journal_issue                   12
_journal_name_full
'Journal of the Chemical Society, Perkin Transactions 2'
_journal_page_first              2364
_journal_paper_doi               10.1039/b100775k
_journal_year                    2001
_chemical_formula_sum            'C27 H23 B N2'
_chemical_formula_weight         386.28
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 127.67(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   27.494(1)
_cell_length_b                   9.4662(6)
_cell_length_c                   20.009(1)
_cell_measurement_temperature    173.0(2)
_cell_volume                     4122.1(17)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173.0(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0582
_diffrn_reflns_av_sigmaI/netI    0.0741
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            10097
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.94
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  0.9858
_exptl_absorpt_correction_T_min  0.9822
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.245
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1632
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.193
_refine_diff_density_min         -0.205
_refine_diff_density_rms         0.041
_refine_ls_extinction_coef       0.0037(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         3632
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0957
_refine_ls_R_factor_gt           0.0498
_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^)+(0.0439P)^2^+1.0845P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0956
_refine_ls_wR_factor_ref         0.1119
_reflns_number_gt                2349
_reflns_number_total             3632
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b100775k.txt
_cod_data_source_block           comp7
_cod_original_cell_volume        4121.9(3)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7204084