Calix[4]pyrrole as a Chloride Anion Receptor: Solvent and Countercation Effects
Jonathan L. Sessler; Dustin E. Gross; Won-Seob Cho; Vincent M. Lynch; Franz P. Schmidtchen; Gareth W. Bates; Mark E. Light; Philip A. Gale; Journal of the American Chemical Society 128 (2006) 12281–12288; doi:10.1021/ja064012h

data_4110880
_publ_section_title
;
 Calix[4]pyrrole as a Chloride Anion Receptor: Solvent and Countercation
 Effects
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12281
_journal_page_last               12288
_journal_paper_doi               10.1021/ja064012h
_journal_volume                  128
_journal_year                    2006
_chemical_compound_source        'Gareth Bates'
_chemical_formula_sum            'C32 H48 Cl N5'
_chemical_formula_weight         538.20
_chemical_name_systematic
;
?
;
_space_group_IT_number           85
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4a'
_symmetry_space_group_name_H-M   'P 4/n :2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.2382(17)
_cell_length_b                   12.2382(17)
_cell_length_c                   10.0176(15)
_cell_measurement_reflns_used    1814
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1500.4(4)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_data_collection       'COLLECT (Hooft, R.W.W., 1998)'
_computing_data_reduction
'DENZO (Otwinowski & Minor, 1997) & COLLECT (Hooft, R.W.W., 1998)'
_computing_molecular_graphics    'CAMERON (Watkin, et al., 1993)'
_computing_publication_material  'WINGX (Farrugia, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker-Nonius CCD camera on \k-goniostat'
_diffrn_measurement_method       '\f & \w scans to fill the asymmetric unit'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker Nonius FR591 Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0815
_diffrn_reflns_av_sigmaI/netI    0.0642
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            11263
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.90
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.156
_exptl_absorpt_correction_T_max  0.9922
_exptl_absorpt_correction_T_min  0.9694
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS V2.10 (Sheldrick, G.M., 2003)
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.191
_exptl_crystal_description       Block
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.668
_refine_diff_density_min         -0.569
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     100
_refine_ls_number_reflns         1723
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.1033
_refine_ls_R_factor_gt           0.0611
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0820P)^2^+1.2383P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1470
_refine_ls_wR_factor_ref         0.1743
_reflns_number_gt                1129
_reflns_number_total             1723
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja064012hsi20060606_072156.cif
_cod_data_source_block           2005sot0703
_cod_original_sg_symbol_H-M      'P 4/n'
_cod_database_code               4110880