Anion Receptors: A New Class of Amide/Quaternized Amine Macrocycles and the Chelate Effect
Md. Alamgir Hossain; Sung Ok Kang; Douglas Powell; Kristin Bowman-James; Inorganic Chemistry 42 (2003) 1397–1399; doi:10.1021/ic0263140

data_4313323
_publ_contact_author
; 
   Prof. Kristin Bowman-James 
   Department of Chemistry 
   University of Kansas 
   Rm 2010 Malott Hall
   1251 Wescoe Hall Dr. 
   Lawrence, KS  66045-7582  USA 
;
_publ_contact_author_email       kbowman-james@ku.edu
_publ_contact_author_fax         1(785)8645396
_publ_contact_author_phone       1(785)8644278
_publ_section_title
;
 Anion Receptors: A New Class of Amide/Quaternized Amine Macrocycles and
 the Chelate Effect
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1397
_journal_page_last               1399
_journal_paper_doi               10.1021/ic0263140
_journal_volume                  42
_journal_year                    2003
_chemical_formula_moiety         '(C26 H38 N8 O4) 2+, 2(I1) 1-, 2(H2 O1)'
_chemical_formula_sum            'C26 H42 I2 N8 O6'
_chemical_formula_weight         816.48
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yc'
_symmetry_space_group_name_H-M   'P 1 2/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                 90.681(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.1904(4)
_cell_length_b                   11.4396(6)
_cell_length_c                   20.2455(10)
_cell_measurement_reflns_used    8875
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.48
_cell_measurement_theta_min      2.68
_cell_volume                     1665.18(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 0.998
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device       'Bruker APEX'
_diffrn_measurement_method       '\w scan frames'
_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  0.0232
_diffrn_reflns_av_sigmaI/netI    0.0262
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            13813
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         30.50
_diffrn_reflns_theta_min         2.04
_diffrn_standards_decay_%        -0.02
_diffrn_standards_number         264
_exptl_absorpt_coefficient_mu    1.938
_exptl_absorpt_correction_T_max  0.8926
_exptl_absorpt_correction_T_min  0.5503
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, 2000'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.628
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.06
_refine_diff_density_max         2.055
_refine_diff_density_min         -0.440
_refine_diff_density_rms         0.112
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.973
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     194
_refine_ls_number_reflns         4993
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.973
_refine_ls_R_factor_all          0.0300
_refine_ls_R_factor_gt           0.0281
_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^)+(0.0406P)^2^+2.5400P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0726
_refine_ls_wR_factor_ref         0.0738
_reflns_number_gt                4736
_reflns_number_total             4993
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0263140si20021231_110054_1.cif
_cod_data_source_block           2b.2I
_cod_database_code               4313323