Meso-diacylated calix[4]pyrrole: Structural diversities and enhanced binding towards dihydrogenphosphate ion
Sanjeev P. Mahanta; B. Sathish Kumar; Pradeepta K. Panda; Chem.Commun. 47 (2011) 4496–; doi:10.1039/c1cc10284b

data_7106221
_publ_section_title
;
 Meso-diacylated calix[4]pyrrole: Structural diversities and enhanced
 binding towards dihydrogenphosphate ion
;
_journal_name_full               Chem.Commun.
_journal_page_first              4496
_journal_paper_doi               10.1039/c1cc10284b
_journal_volume                  47
_journal_year                    2011
_chemical_formula_sum            'C30 H36 N4 O2'
_chemical_formula_weight         484.63
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   11.3085(18)
_cell_length_b                   19.412(3)
_cell_length_c                   23.713(4)
_cell_measurement_reflns_used    1268
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      15.80
_cell_measurement_theta_min      2.25
_cell_volume                     5205.5(15)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.5031
_diffrn_reflns_av_sigmaI/netI    0.2688
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            49734
_diffrn_reflns_theta_full        26.09
_diffrn_reflns_theta_max         26.09
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.9891
_exptl_absorpt_correction_T_min  0.9784
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXS SADABS program'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.237
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2080
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.220
_refine_diff_density_min         -0.232
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.945
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     349
_refine_ls_number_reflns         5141
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.945
_refine_ls_R_factor_all          0.2978
_refine_ls_R_factor_gt           0.0887
_refine_ls_shift/su_max          1.195
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0488P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1303
_refine_ls_wR_factor_ref         0.1924
_reflns_number_gt                1572
_reflns_number_total             5141
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1cc10284b.txt
_cod_data_source_block           1
_cod_original_cell_volume        5205.4(14)
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7106221