Enhancing selectivity of cation exchange with anion receptors
Williams, Neil J.; Roy, Santanu; Reynolds, Campbell O.; Custelcean, Radu; Bryantsev, Vyacheslav S.; Moyer, Bruce A.; Chemical Communications  (2019) –; doi:10.1039/C9CC00287A

data_7122972
_publ_section_title
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 Enhancing selectivity of cation exchange with anion receptors
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC00287A
_journal_year                    2019
_chemical_formula_sum            'C58 H89 Cs N4 O'
_chemical_formula_weight         991.24
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           36
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c -2'
_symmetry_space_group_name_H-M   'C m c 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2019-01-11 deposited with the CCDC.
2019-02-06 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.2455(18)
_cell_length_b                   17.5742(12)
_cell_length_c                   12.4359(9)
_cell_measurement_reflns_used    3522
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.99
_cell_measurement_theta_min      2.16
_cell_volume                     5517.4(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  Bruker
_diffrn_measurement_method       single-crystal
_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  0.0538
_diffrn_reflns_av_sigmaI/netI    0.0592
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            14501
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.16
_exptl_absorpt_coefficient_mu    0.711
_exptl_absorpt_correction_T_max  0.9323
_exptl_absorpt_correction_T_min  0.8886
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.193
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2112
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.969
_refine_diff_density_min         -0.403
_refine_diff_density_rms         0.080
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     301
_refine_ls_number_reflns         4390
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0669
_refine_ls_R_factor_gt           0.0493
_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^)+(0.0816P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1215
_refine_ls_wR_factor_ref         0.1315
_reflns_number_gt                3522
_reflns_number_total             4390
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9cc00287a2.cif
_cod_data_source_block           cmc21
_cod_original_sg_symbol_H-M      Cmc2(1)
_cod_database_code               7122972