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_7106220
_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           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :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            8
_cell_length_a                   21.3560(19)
_cell_length_b                   21.3560(19)
_cell_length_c                   11.329(2)
_cell_measurement_reflns_used    4162
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      23.09
_cell_measurement_theta_min      2.70
_cell_volume                     5166.9(11)
_computing_cell_refinement       CrysAlisPro
_computing_data_collection       CrysAlisPro
_computing_data_reduction        CrysAlisPro
_computing_molecular_graphics    OLEX2
_computing_publication_material  OLEX2
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       '\w 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  0.0768
_diffrn_reflns_av_sigmaI/netI    0.0446
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            17738
_diffrn_reflns_theta_full        24.71
_diffrn_reflns_theta_max         24.71
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.9890
_exptl_absorpt_correction_T_min  0.9797
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALE3 ABSPACK'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.246
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2080
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.459
_refine_diff_density_min         -0.175
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.234
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         2203
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.234
_refine_ls_R_factor_all          0.1238
_refine_ls_R_factor_gt           0.1076
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0497P)^2^+20.2322P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2051
_refine_ls_wR_factor_ref         0.2133
_reflns_number_gt                1913
_reflns_number_total             2203
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1cc10284b.txt
_cod_data_source_block           2
_cod_original_cell_volume        5167.0(12)
_cod_original_sg_symbol_H-M      'I4(1)/a '
_cod_database_code               7106220