Colorimetric sensing of fluoride ion by new expanded calix[4]pyrrole through anion-π interaction.
Mahanta, Sanjeev P.; Kumar, B. Sathish; Baskaran, Sambath; Sivasankar, Chinnappan; Panda, Pradeepta K.; Organic letters 14 (2012) 548–551; doi:10.1021/ol203165x

data_1503562
_publ_section_title
;
 Colorimetric sensing of fluoride ion by new expanded calix[4]pyrrole
 through anion-\p interaction.
;
_journal_issue                   2
_journal_name_full               'Organic letters'
_journal_page_first              548
_journal_page_last               551
_journal_paper_doi               10.1021/ol203165x
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C30 H36 N4'
_chemical_formula_weight         452.63
_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                76.838(2)
_cell_angle_beta                 83.588(2)
_cell_angle_gamma                71.284(2)
_cell_formula_units_Z            2
_cell_length_a                   10.0710(10)
_cell_length_b                   11.9300(12)
_cell_length_c                   13.1405(13)
_cell_measurement_reflns_used    3855
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.34
_cell_measurement_theta_min      2.18
_cell_volume                     1454.7(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0248
_diffrn_reflns_av_sigmaI/netI    0.0444
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11552
_diffrn_reflns_theta_full        26.05
_diffrn_reflns_theta_max         26.05
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    0.061
_exptl_absorpt_correction_T_max  0.9963
_exptl_absorpt_correction_T_min  0.9927
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXS SADABS program'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.033
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             488
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_platon_squeeze_details
;
;
_refine_diff_density_max         0.204
_refine_diff_density_min         -0.179
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     331
_refine_ls_number_reflns         5676
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.1019
_refine_ls_R_factor_gt           0.0673
_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^)+(0.1013P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1680
_refine_ls_wR_factor_ref         0.1840
_reflns_number_gt                3656
_reflns_number_total             5676
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol203165x_si_001.cif
_cod_data_source_block           4
_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 
;
_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               1503562