Shape-Selective Separation of Molecular Isomers with Tunable Hydrogen-Bonded Host Frameworks
Pivovar, Adam M.; Holman, K. Travis; Ward, Michael D.; Chemistry of Materials 13 (2001) 3018–; doi:10.1021/cm0104452

data_4000075
_publ_section_title
;
 Shape-Selective Separation of Molecular Isomers with Tunable
 Hydrogen-Bonded Host Frameworks
;
_journal_issue                   9
_journal_name_full               'Chemistry of Materials'
_journal_page_first              3018
_journal_paper_doi               10.1021/cm0104452
_journal_volume                  13
_journal_year                    2001
_chemical_formula_sum            'C26 H32 N6 O6 S2'
_chemical_formula_weight         588.70
_chemical_name_common
bis(guanidinium)(4,4'-biphenyldisulfonate).(2,6-dimethylnaphthalene)
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 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                 109.611(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   31.569(2)
_cell_length_b                   7.3560(5)
_cell_length_c                   12.7025(9)
_cell_measurement_reflns_used    3594
_cell_measurement_temperature    173(2)
_cell_volume                     2778.7(3)
_computing_cell_refinement       'SAINT, Bruker'
_computing_data_collection       'SMART, Bruker (or Siemens)'
_computing_data_reduction        'SAINT, Bruker'
_computing_molecular_graphics
'XSEED, L. Barbour (1999); http://www.lbarbour.com/xseed'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SMART platform CCD, Bruker (or Siemens)'
_diffrn_measurement_method       '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  0.0701
_diffrn_reflns_av_sigmaI/netI    0.0481
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       -37
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            10099
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    0.244
_exptl_absorpt_correction_T_max  0.9736
_exptl_absorpt_correction_T_min  0.9282
_exptl_absorpt_correction_type   'simulated psi-scans'
_exptl_absorpt_process_details   'SADABS, G. Sheldrick (1999)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.407
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1240
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.321
_refine_diff_density_min         -0.548
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2450
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0659
_refine_ls_R_factor_gt           0.0453
_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^)+(0.0802P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1161
_refine_ls_wR_factor_ref         0.1235
_reflns_number_gt                1858
_reflns_number_total             2450
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm0104452.cif
_cod_data_source_block           g:\users\travis\99266
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 
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_cod_original_sg_symbol_H-M      c2/c
_cod_database_code               4000075