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_4000076
_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(2,6-dimethylnaphthalene)
_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                 92.6560(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5382(5)
_cell_length_b                   25.5444(16)
_cell_length_c                   11.9693(8)
_cell_measurement_reflns_used    5670
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.98
_cell_measurement_theta_min      2.39
_cell_volume                     2302.3(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 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0284
_diffrn_reflns_av_sigmaI/netI    0.0275
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            11908
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.59
_exptl_absorpt_coefficient_mu    0.173
_exptl_absorpt_correction_T_max  0.9630
_exptl_absorpt_correction_T_min  0.9501
_exptl_absorpt_correction_type   'simulated psi-scans'
_exptl_absorpt_process_details   'SADABS, G. Sheldrick '
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.300
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             956
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.270
_refine_diff_density_min         -0.407
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     292
_refine_ls_number_reflns         4038
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0521
_refine_ls_R_factor_gt           0.0384
_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^)+(0.0546P)^2^+0.5488P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0979
_refine_ls_wR_factor_ref         0.1029
_reflns_number_gt                3257
_reflns_number_total             4038
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm0104452.cif
_cod_data_source_block           g:\users\travis\99346
_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 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4000076