Selectivity Principles in Anion Separation by Crystallization of Hydrogen-Bonding Capsules
Radu Custelcean; Aurelien Bock; Bruce A. Moyer; Journal of the American Chemical Society 132 (2010) 7177–7185; doi:10.1021/ja101354r

data_4102427
_publ_contact_author_email       custelceanr@ornl.gov
_publ_contact_author_name        'Radu Custelcean'
_publ_section_title
;
 Selectivity Principles in Anion Separation by Crystallization of
 Hydrogen-Bonding Capsules
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7177
_journal_page_last               7185
_journal_paper_doi               10.1021/ja101354r
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C48 H72 Mg N20 O16 S0.52 Se0.48'
_chemical_formula_weight         1264.14
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.4900(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.4720(8)
_cell_length_b                   18.3585(11)
_cell_length_c                   13.0580(8)
_cell_measurement_temperature    173(2)
_cell_volume                     2988.8(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0427
_diffrn_reflns_av_sigmaI/netI    0.0326
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            36283
_diffrn_reflns_theta_full        28.34
_diffrn_reflns_theta_max         28.34
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    0.423
_exptl_absorpt_correction_T_max  0.9751
_exptl_absorpt_correction_T_min  0.9354
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.405
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1329
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.387
_refine_diff_density_min         -0.187
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     434
_refine_ls_number_reflns         7454
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0612
_refine_ls_R_factor_gt           0.0421
_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^)+(0.0426P)^2^+1.0776P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0947
_refine_ls_wR_factor_ref         0.1021
_reflns_number_gt                5639
_reflns_number_total             7454
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja101354r_si_004.cif
_cod_data_source_block           c:\frames\327\work\p21n
_cod_database_code               4102427