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_4501089
_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                116.417(2)
_cell_angle_beta                 96.957(2)
_cell_angle_gamma                109.554(2)
_cell_formula_units_Z            2
_cell_length_a                   12.7869(10)
_cell_length_b                   14.4399(12)
_cell_length_c                   14.8308(12)
_cell_measurement_reflns_used    6817
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.03
_cell_measurement_theta_min      1.75
_cell_volume                     2189.5(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0559
_diffrn_reflns_av_sigmaI/netI    0.0597
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            23746
_diffrn_reflns_theta_full        24.03
_diffrn_reflns_theta_max         24.03
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_T_max  0.986
_exptl_absorpt_correction_T_min  0.979
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            'dark yellow'
_exptl_crystal_density_diffrn    1.430
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             980
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.699
_refine_diff_density_min         -0.478
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.907
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     610
_refine_ls_number_reflns         6817
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.907
_refine_ls_R_factor_all          0.1331
_refine_ls_R_factor_gt           0.0693
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0901P)^2^+2.4595P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1665
_refine_ls_wR_factor_ref         0.1961
_reflns_number_gt                3731
_reflns_number_total             6817
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg200690c_si_002.cif
_cod_data_source_block           9
_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_sg_symbol_H-M      P-1
_cod_database_code               4501089