Recognition, Encapsulation, and Selective Fluorescence Sensing of Nitrate Anion by Neutral C3-Symmetric Tripodal Podands Bearing Amide Functionality
Ashutosh S. Singh; Shih-Sheng Sun; Journal of Organic Chemistry 77 (2012) 1880–1890; doi:10.1021/jo202502f

data_4026983
_publ_contact_author_email       SSSUN@CHEM.SINICA.EDU.TW
_publ_contact_author_name        'Shih-Sheng Sun'
_publ_section_title
;
 Recognition, Encapsulation, and Selective Fluorescence Sensing of Nitrate
 Anion by Neutral C3-Symmetric Tripodal Podands Bearing Amide
 Functionality
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1880
_journal_page_last               1890
_journal_paper_doi               10.1021/jo202502f
_journal_volume                  77
_journal_year                    2012
_chemical_formula_moiety         '2(C45 H39 Br3 N4 O6), C2 Cl1.98, 2 (N O3)'
_chemical_formula_sum            'C92 H78 Br6 Cl1.98 N10 O18'
_chemical_formula_weight         2161.24
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           147
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-P 3'
_symmetry_space_group_name_H-M   'P -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                120.00
_cell_formula_units_Z            1
_cell_length_a                   15.3378(5)
_cell_length_b                   15.3378(5)
_cell_length_c                   11.3656(3)
_cell_measurement_reflns_used    4741
_cell_measurement_temperature    150.0(1)
_cell_measurement_theta_max      24.48
_cell_measurement_theta_min      3.2
_cell_volume                     2315.52(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150.0(1)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0360
_diffrn_reflns_av_sigmaI/netI    0.0315
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            15183
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.53
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.731
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6303
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS, 1996'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.550
_exptl_crystal_density_meas      0
_exptl_crystal_description       prism
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.819
_refine_diff_density_min         -0.458
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     202
_refine_ls_number_reflns         2750
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0511
_refine_ls_R_factor_gt           0.0389
_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^)+(0.0487P)^2^+3.4528P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1008
_refine_ls_wR_factor_ref         0.1061
_reflns_number_gt                2249
_reflns_number_total             2750
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo202502f_si_001_3.cif
_cod_data_source_block           complex3a
_cod_original_cell_volume        2315.5(2)
_cod_database_code               4026983