Boron-nitrogen macrocycles: a new generation of calix[3]arenes.
Barba, Victor; Höpfl, Herbert; Farfán, Norberto; Santillan, Rosa; Beltran, Hiram I; Zamudio-Rivera, Luis S; Chemical communications (Cambridge, England)  (2004) 2834–2835; doi:10.1039/b410148k

data_7102739
_publ_section_title
;
 Boron-nitrogen macrocycles: a new generation of calix[3]arenes.
;
_journal_issue                   24
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              2834
_journal_page_last               2835
_journal_paper_doi               10.1039/b410148k
_journal_year                    2004
_chemical_formula_sum            'C77.33 H96 B2.67 N2.67 O10.67'
_chemical_formula_weight         1262.39
_chemical_melting_point          544.15
_chemical_name_common
;
Trimethoxy-(tris-(mu-(3-phenyl-kC)imine-kN)methyl-2-(3,5-di-
tert-butyl)phenolate-kO)triboro'
;
_chemical_name_systematic
;
Trimethoxy-[tris-[mu-(3-phenyl-kC)imine-kN]methyl-2-(3,5-di-tert-
butyl)phenolate-kO)triboro'
;
_space_group_IT_number           205
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  '-P 2ac 2ab 3'
_symmetry_space_group_name_H-M   'P a -3'
_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            9
_cell_length_a                   25.6586(13)
_cell_length_b                   25.6586(13)
_cell_length_c                   25.6586(13)
_cell_measurement_temperature    273(2)
_cell_volume                     16892.7(15)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0768
_diffrn_reflns_av_sigmaI/netI    0.0192
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            133329
_diffrn_reflns_theta_full        22.99
_diffrn_reflns_theta_max         22.99
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.117
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prims
_exptl_crystal_F_000             6096
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.668
_refine_diff_density_min         -0.483
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.229
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     335
_refine_ls_number_reflns         3926
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.229
_refine_ls_R_factor_all          0.1079
_refine_ls_R_factor_gt           0.1072
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w==1/[\s^2^(Fo^2^)+(0.0609P)^2^+69.5827P] where P==(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2334
_refine_ls_wR_factor_ref         0.2338
_reflns_number_gt                3895
_reflns_number_total             3926
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b410148k.txt
_cod_data_source_block           complex1d
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Cubic' changed to 'cubic' 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 

The following automatic conversions were performed:

'_chemical_melting_point' value ' 271 C ' was changed to '544.15' -
it was converted from degrees Celsius(C) to Kelvins(K).

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      Pa-3
_cod_database_code               7102739