Synthesis and structure of nitrogen bridged calix[5]- and -[10]-pyridines and their complexation with fullerenes
Liu, Shi-Qiang; Wang, De-Xian; Zheng, Qi-Yu; Wang, Mei-Xiang; Chemical Communications (Cambridge, United Kingdom)  (2007) 3856–3858; doi:10.1039/b705595a

data_7113250
_publ_section_title
;
 Synthesis and structure of nitrogen bridged calix[5]- and -[10]-pyridines
 and their complexation with fullerenes
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   37
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              3856
_journal_page_last               3858
_journal_paper_doi               10.1039/b705595a
_journal_year                    2007
_chemical_formula_sum            'C66 H72 N20 O2'
_chemical_formula_weight         1177.44
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 124.47(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   17.920(4)
_cell_length_b                   8.3524(17)
_cell_length_c                   27.638(9)
_cell_measurement_reflns_used    5658
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.52
_cell_volume                     3410.4(17)
_computing_cell_refinement       'Rapid Auto(Rigaku 2001)'
_computing_data_collection       'Rapid Auto(Rigaku 2001)'
_computing_data_reduction        'Rapid Auto(Rigaku 2001)'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.942
_diffrn_measured_fraction_theta_max 0.942
_diffrn_measurement_device_type  'Rigaku raxis Rapid IP'
_diffrn_measurement_method       oscillation
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0511
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            5658
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.52
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.9868
_exptl_absorpt_correction_T_min  0.9825
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   ABSCOR
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.147
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.75
_exptl_crystal_size_mid          0.54
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.893
_refine_diff_density_min         -0.462
_refine_diff_density_rms         0.134
_refine_ls_extinction_coef       0.019(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   1.295
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     440
_refine_ls_number_reflns         5658
_refine_ls_number_restraints     104
_refine_ls_restrained_S_all      1.316
_refine_ls_R_factor_all          0.1594
_refine_ls_R_factor_gt           0.1221
_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^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3262
_refine_ls_wR_factor_ref         0.3614
_reflns_number_gt                3472
_reflns_number_total             5658
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7102135
_cod_data_source_file            b705595a.txt
_cod_data_source_block           t10
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        3410.4(15)
_cod_original_sg_symbol_H-M      P2(1)/C
_cod_database_code               7113250