Recognition of Anions and Neutral Guests by Dicationic Pyridine-2,6-dicarboxamide Receptors
Alejandro Dorazco-González; Herbert Höpfl; Felipe Medrano; Anatoly K. Yatsimirsky; Journal of Organic Chemistry 75 (2010) 2259–2273; doi:10.1021/jo100037m

data_4025320
_publ_section_title
;
 Recognition of Anions and Neutral Guests by Dicationic
 Pyridine-2,6-dicarboxamide Receptors
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2259
_journal_page_last               2273
_journal_paper_doi               10.1021/jo100037m
_journal_volume                  75
_journal_year                    2010
_chemical_formula_moiety         'C27 H23 N5 O2, 2(C F3 O3 S)'
_chemical_formula_sum            'C29 H23 F6 N5 O8 S2'
_chemical_formula_weight         747.64
_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                82.769(3)
_cell_angle_beta                 79.205(3)
_cell_angle_gamma                68.923(2)
_cell_formula_units_Z            2
_cell_length_a                   11.4049(18)
_cell_length_b                   11.4366(18)
_cell_length_c                   12.666(2)
_cell_measurement_reflns_used    5359
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.29
_cell_measurement_theta_min      2.20
_cell_volume                     1511.2(4)
_computing_cell_refinement       'Bruker SAINT'
_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 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0468
_diffrn_reflns_av_sigmaI/netI    0.0617
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            14489
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    0.275
_exptl_absorpt_correction_T_max  0.95
_exptl_absorpt_correction_T_min  0.93
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.643
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rectangular prism'
_exptl_crystal_F_000             764
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.546
_refine_diff_density_min         -0.351
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     459
_refine_ls_number_reflns         5298
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0817
_refine_ls_R_factor_gt           0.0620
_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^)+(0.0560P)^2^+1.6583P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1300
_refine_ls_wR_factor_ref         0.1385
_reflns_number_gt                4162
_reflns_number_total             5298
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo100037m_si_002.cif
_cod_data_source_block           r3ramonm
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4025320