From Classical Adducts to Frustrated Lewis Pairs: Steric Effects in the Interactions of Pyridines and B(C6F5)3
Stephen J. Geier; Austin L. Gille; Thomas M. Gilbert; Douglas W. Stephan; Inorganic Chemistry 48 (2009) 10466–10474; doi:10.1021/ic901726b

data_4303537
_publ_section_title
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From Classical Adducts to Frustrated Lewis Pairs: Steric Effects in the
Interactions of Pyridines and B(C6F5)3
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              10466
_journal_page_last               10474
_journal_paper_doi               10.1021/ic901726b
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C28 H9 B F15 N3'
_chemical_formula_weight         683.19
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                107.830(3)
_cell_angle_beta                 102.077(4)
_cell_angle_gamma                98.166(3)
_cell_formula_units_Z            2
_cell_length_a                   9.6501(10)
_cell_length_b                   9.7264(8)
_cell_length_c                   14.9925(11)
_cell_measurement_reflns_used    5042
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.34
_cell_measurement_theta_min      1.48
_cell_volume                     1277.5(2)
_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      150(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.857
_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  0.0362
_diffrn_reflns_av_sigmaI/netI    0.0538
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            19690
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         30.34
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    0.182
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.6838
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.776
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             676
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.310
_refine_diff_density_min         -0.265
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     424
_refine_ls_number_reflns         6580
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0815
_refine_ls_R_factor_gt           0.0427
_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^)+(0.0418P)^2^+0.2211P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0882
_refine_ls_wR_factor_ref         0.1017
_reflns_number_gt                4247
_reflns_number_total             6580
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic901726b_si_002_07.cif
_cod_data_source_block           ((2-C5H4N)NH(2-C5H4N)B(C6F5)3)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_cell_volume        1277.46(19)
_cod_database_code               4303537