Pyridinium CH...anion and pi-stacking interactions in modular tripodal anion binding hosts: ATP binding and solid-state chiral induction.
Belcher, Warwick J.; Fabre, Muriel; Farhan, Tamer; Steed, Jonathan W.; Organic & biomolecular chemistry 4 (2006) 781–786; doi:10.1039/b516027h

data_7150413
_publ_section_title
;
 Pyridinium CH...anion and pi-stacking interactions in modular tripodal
 anion binding hosts: ATP binding and solid-state chiral induction.
;
_journal_issue                   5
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              781
_journal_page_last               786
_journal_paper_doi               10.1039/b516027h
_journal_volume                  4
_journal_year                    2006
_chemical_formula_sum            'C48 H60 Br3 N6 O4.5'
_chemical_formula_weight         1032.75
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                82.503(2)
_cell_angle_beta                 78.979(2)
_cell_angle_gamma                72.937(2)
_cell_formula_units_Z            2
_cell_length_a                   10.6106(4)
_cell_length_b                   12.4052(5)
_cell_length_c                   20.5253(5)
_cell_measurement_temperature    100(2)
_cell_volume                     2527.14(16)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       'Nonius Collect'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'XSeed (Barbour, 1999'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  KappaCCD
_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  0.0888
_diffrn_reflns_av_sigmaI/netI    0.0954
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            16485
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.42
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    2.442
_exptl_absorpt_correction_T_max  0.6409
_exptl_absorpt_correction_T_min  0.2455
_exptl_absorpt_correction_type   Scalepack
_exptl_crystal_density_diffrn    1.357
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1062
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.730
_refine_diff_density_min         -1.930
_refine_diff_density_rms         0.123
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     592
_refine_ls_number_reflns         8867
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.1047
_refine_ls_R_factor_gt           0.0740
_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^)+(0.0747P)^2^+11.5881P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1788
_refine_ls_wR_factor_ref         0.1982
_reflns_number_gt                6519
_reflns_number_total             8867
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b516027h.txt
_cod_data_source_block           bipy3
_cod_original_cell_volume        2527.15(15)
_cod_original_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C48 H60 Br3 N6 O4.50'
_cod_database_code               7150413