Diaminotriazine substituted 1,3-alternate Calix[4]arenes
O.G.Barton; M.Schmidtmann; A.Muller; J.Mattay; New J.Chem.(Nouv.J.Chim.)  (2004) –; doi:

data_7050376
_publ_section_title
;
Diaminotriazine substituted 1,3-alternate Calix[4]arenes
;
_journal_name_full               'New J.Chem.(Nouv.J.Chim.)'
_journal_year                    2004
_chemical_formula_sum            'C50 H62 N10 O8'
_chemical_formula_weight         931.10
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.3264(6)
_cell_length_b                   16.9472(7)
_cell_length_c                   20.0115(9)
_cell_measurement_reflns_used    6574
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      26.99
_cell_measurement_theta_min      1.75
_cell_volume                     4858.6(4)
_diffrn_ambient_temperature      183(2)
_diffrn_detector_area_resol_mean ?
_diffrn_measurement_device_type  'Bruker AXS SMART'
_diffrn_measurement_method       omega-scan
_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  0.0244
_diffrn_reflns_av_sigmaI/netI    0.0285
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            28460
_diffrn_reflns_theta_max         26.99
_diffrn_reflns_theta_min         1.75
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count ?
_diffrn_standards_interval_time  ?
_diffrn_standards_number         ?
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.9783
_exptl_absorpt_correction_T_min  0.9573
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   ?
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.273
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1984
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.6(7)
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     617
_refine_ls_number_reflns         10471
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0495
_refine_ls_R_factor_gt           0.0409
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0600P)^2^+1.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1030
_refine_ls_wR_factor_ref         0.1083
_reflns_number_gt                9240
_reflns_number_total             10471
_reflns_threshold_expression     >2sigma(I)
_cod_database_code               7050376