The Generality of Architectural Isomerism in Designer Inclusion Frameworks
K. Travis Holman; Stephen M. Martin; Daniel P. Parker; Michael D. Ward; Journal of the American Chemical Society 123 (2001) 4421–4431; doi:10.1021/ja0030257

data_4115510
_publ_section_title
;
 The Generality of Architectural Isomerism in Designer Inclusion
 Frameworks
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4421
_journal_page_last               4431
_journal_paper_doi               10.1021/ja0030257
_journal_volume                  123
_journal_year                    2001
_chemical_formula_sum            'C12 H15 N3 O3 S'
_chemical_formula_weight         281.33
_chemical_name_common
'bis(guanidinium) 2,6-anthracenedisulfonate, p-xylene clathrate '
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                80.8590(10)
_cell_angle_beta                 82.2350(10)
_cell_angle_gamma                85.2080(10)
_cell_formula_units_Z            2
_cell_length_a                   6.2024(4)
_cell_length_b                   7.1901(5)
_cell_length_c                   15.1836(10)
_cell_measurement_reflns_used    3681
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      54.2
_cell_measurement_theta_min      5.5
_cell_volume                     661.06(8)
_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 0.983
_diffrn_measured_fraction_theta_max 0.983
_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  0.0187
_diffrn_reflns_av_sigmaI/netI    0.0229
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            5829
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.37
_exptl_absorpt_coefficient_mu    0.253
_exptl_absorpt_correction_T_max  0.9488
_exptl_absorpt_correction_T_min  0.8926
_exptl_absorpt_correction_type   'simulated psi-scans '
_exptl_absorpt_process_details   'SADABS, G. Sheldrick (1999)'
_exptl_crystal_colour            pale_yellow
_exptl_crystal_density_diffrn    1.413
_exptl_crystal_description       prism
_exptl_crystal_F_000             296
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.307
_refine_diff_density_min         -0.374
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         2830
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0433
_refine_ls_R_factor_gt           0.0363
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0517P)^2^+0.2628P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0964
_refine_ls_wR_factor_ref         0.0998
_reflns_number_gt                2477
_reflns_number_total             2830
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0030257_12.cif
_cod_data_source_block           g:\travis\00264\00264
_cod_database_code               4115510