A new method for the synthesis of boronate macrocycles
N.Christinat; R.Scopelliti; K.Severin; Chemical communications (Cambridge, England)  (2004) 1158–1159; doi:10.1039/b402510e

data_7102645
_publ_section_title
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A new method for the synthesis of boronate macrocycles
;
_journal_issue                   10
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1158
_journal_page_last               1159
_journal_paper_doi               10.1039/b402510e
_journal_year                    2004
_chemical_formula_moiety         'C64 H68 B4 N8 O12, 2(C6 H6), 0.5(C5 H12)'
_chemical_formula_sum            'C78.5 H86 B4 N8 O12'
_chemical_formula_weight         1376.79
_chemical_name_systematic
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?
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_space_group_IT_number           45
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'I 2 -2c'
_symmetry_space_group_name_H-M   'I b a 2'
_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            8
_cell_length_a                   26.3143(18)
_cell_length_b                   28.029(2)
_cell_length_c                   20.2248(11)
_cell_measurement_reflns_used    5679
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      19.29685
_cell_measurement_theta_min      2.0582
_cell_volume                     14917.2(17)
_computing_cell_refinement       'Oxford Diffraction CrysAlis RED'
_computing_data_collection       'Oxford Diffraction CrysAlis CCD'
_computing_data_reduction        'Oxford Diffraction CrysAlis RED'
_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      140(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Oxford Diffraction KM4/Sapphire CCD'
_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  0.0756
_diffrn_reflns_av_sigmaI/netI    0.0924
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            44532
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.91
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  1.0157
_exptl_absorpt_correction_T_min  0.9438
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.226
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             5832
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.442
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1.9(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.959
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     998
_refine_ls_number_reflns         12697
_refine_ls_number_restraints     77
_refine_ls_restrained_S_all      0.969
_refine_ls_R_factor_all          0.0998
_refine_ls_R_factor_gt           0.0625
_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^)+(0.0714P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1348
_refine_ls_wR_factor_ref         0.1498
_reflns_number_gt                7698
_reflns_number_total             12697
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b402510e.txt
_cod_data_source_block           2
_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 
;
_cod_original_sg_symbol_H-M      Iba2
_cod_original_formula_sum        'C78.50 H86 B4 N8 O12'
_cod_database_code               7102645