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_4000074
_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            'C25 H28 N3 O3 S'
_chemical_formula_weight         450.56
_chemical_name_common
bis(guanidinium)(4,4'-biphenyldisulfonate).3(2,3-dimethylnaphthalene)
_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                 91.574(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5509(7)
_cell_length_b                   25.493(2)
_cell_length_c                   12.0573(12)
_cell_measurement_reflns_used    2348
_cell_measurement_temperature    173(2)
_cell_volume                     2320.1(4)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'SMART platform CCD, Bruker '
_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  0.0483
_diffrn_reflns_av_sigmaI/netI    0.0657
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            12086
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    0.171
_exptl_absorpt_correction_T_max  0.9797
_exptl_absorpt_correction_T_min  0.9331
_exptl_absorpt_correction_type   'simulated psi-scans'
_exptl_absorpt_process_details   'SADABS, G. Sheldrick (1999)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             956
_exptl_crystal_size_max          0.41
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.183
_refine_diff_density_min         -0.297
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.852
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     368
_refine_ls_number_reflns         4078
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      0.860
_refine_ls_R_factor_all          0.0814
_refine_ls_R_factor_gt           0.0430
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0462P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0880
_refine_ls_wR_factor_ref         0.0950
_reflns_number_gt                2475
_reflns_number_total             4078
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm0104452.cif
_cod_data_source_block           g:\travis\n99269\n99269
_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      P2(1)/n
_cod_database_code               4000074