Calixarene and resorcarene based receptors: from structural and thermodynamic studies to the synthesis of a new mercury(II) selective material.
de Namor, Angela F Danil; Aparicio-Aragon, Walther; Nwogu, Nwanyinnaya; El Gamouz, Abdelaziz; Piro, Oscar E.; Castellano, Eduardo E.; The journal of physical chemistry. B 115 (2011) 6922–6934; doi:10.1021/jp110195f

data_1501677
_publ_section_title
;
 Calixarene and resorcarene based receptors: from structural and
 thermodynamic studies to the synthesis of a new mercury(II) selective
 material.
;
_journal_issue                   21
_journal_name_full               'The journal of physical chemistry. B'
_journal_page_first              6922
_journal_page_last               6934
_journal_paper_doi               10.1021/jp110195f
_journal_volume                  115
_journal_year                    2011
_chemical_formula_sum            'C57 H86 Cl2 N2 O8 P2 S2'
_chemical_formula_weight         1124.24
_chemical_name_systematic
; 
5,11,17,23 tetra-tert-butyl [25-27 bis (diethyl thiophosphate amino) dihydroxy 
calix[4]arene dichloromethane
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 101.691(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.773(1)
_cell_length_b                   19.556(1)
_cell_length_c                   23.982(1)
_cell_measurement_reflns_used    21636
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.00
_cell_measurement_theta_min      3.34
_cell_volume                     5866.2(6)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'ORTEP (Johnson, 1976)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Enraf-Nonius KappaCCD'
_diffrn_measurement_method       '\f and \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  0.0281
_diffrn_reflns_av_sigmaI/netI    0.0554
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            21636
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.34
_diffrn_standards_decay_%        negligible
_exptl_absorpt_coefficient_mu    0.290
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.273
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2408
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.004
_refine_diff_density_min         -0.722
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     690
_refine_ls_number_reflns         11498
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0684
_refine_ls_R_factor_gt           0.0489
_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^)+(0.0678P)^2^+4.7666P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1285
_refine_ls_wR_factor_ref         0.1416
_reflns_number_gt                8810
_reflns_number_total             11498
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            jp110195f_si_001.cif
_cod_data_source_block           1(DCM)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               1501677