Two-Component Supramolecular Organic Hosts as Colorimetric Indicators for Aromatic Guests: Visual Molecular Recognition via Cation−π Interactions
Roy, Sandipan; Biradha, Kumar; Crystal Growth & Design 11 (2011) 4120–; doi:10.1021/cg200690c

data_4501088
_publ_section_title
;
 Two-Component Supramolecular Organic Hosts as Colorimetric Indicators for
 Aromatic Guests: Visual Molecular Recognition via Cation&#x2212;\p
 Interactions
;
_journal_issue                   9
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4120
_journal_paper_doi               10.1021/cg200690c
_journal_volume                  11
_journal_year                    2011
_chemical_formula_sum            'C49 H38 N2 O18'
_chemical_formula_weight         942.81
_chemical_name_systematic
; 
 ? 
;
_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                112.704(19)
_cell_angle_beta                 106.631(14)
_cell_angle_gamma                96.29(2)
_cell_formula_units_Z            1
_cell_length_a                   8.103(3)
_cell_length_b                   12.474(8)
_cell_length_c                   12.498(5)
_cell_measurement_reflns_used    2824
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.87
_cell_measurement_theta_min      1.83
_cell_volume                     1081.5(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.844
_diffrn_measured_fraction_theta_max 0.844
_diffrn_measurement_device_type  'Bruker CCD APEX 2'
_diffrn_measurement_method       hemisphere
_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  0.0413
_diffrn_reflns_av_sigmaI/netI    0.0308
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            15354
_diffrn_reflns_theta_full        23.87
_diffrn_reflns_theta_max         23.87
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.112
_exptl_absorpt_correction_T_max  0.988
_exptl_absorpt_correction_T_min  0.980
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            'bright yellow'
_exptl_crystal_density_diffrn    1.448
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             490
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.248
_refine_diff_density_min         -0.230
_refine_diff_density_rms         0.040
_refine_ls_extinction_coef       0.009(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.169
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         2824
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.169
_refine_ls_R_factor_all          0.0609
_refine_ls_R_factor_gt           0.0467
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1435
_refine_ls_wR_factor_ref         0.1550
_reflns_number_gt                2194
_reflns_number_total             2824
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg200690c_si_002.cif
_cod_data_source_block           8
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        1081.4(9)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4501088