A Versatile Synthesis of Electroactive Stilbenoprismands for Effective Binding of Metal Cations
Paromita Debroy; Sergey V. Lindeman; Rajendra Rathore; Journal of Organic Chemistry 74 (2009) 2080–2087; doi:10.1021/jo802579f

data_4024371
_publ_section_title
;
A Versatile Synthesis of Electroactive Stilbenoprismands for Effective
Binding of Metal Cations
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2080
_journal_page_last               2087
_journal_paper_doi               10.1021/jo802579f
_journal_volume                  74
_journal_year                    2009
_chemical_formula_sum            'C18 H12 Br2'
_chemical_formula_weight         388.10
_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            4
_cell_length_a                   10.9084(2)
_cell_length_b                   7.71130(10)
_cell_length_c                   17.1754(3)
_cell_measurement_reflns_used    7490
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      61
_cell_measurement_theta_min      5
_cell_volume                     1444.76(4)
_computing_cell_refinement       'SAINT v7.23A (Bruker, 2005)'
_computing_data_collection       'APEX2 v2.0-2 (Bruker, 2005)'
_computing_data_reduction        'SADABS-2004/1 (Bruker, 2005)'
_computing_molecular_graphics    'XP v5.1 (Bruker, 1998)'
_computing_publication_material  'XCIF v6.12 (Bruker, 2001)'
_computing_structure_refinement  'SHELXL-97 v.97-2 (Sheldrick, 1993-1997)'
_computing_structure_solution    'XS/SHELXTL v6.12 (Bruker, 2001)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device_type  'Bruker APEX2 CCD detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0199
_diffrn_reflns_av_sigmaI/netI    0.0092
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            11929
_diffrn_reflns_theta_full        66.37
_diffrn_reflns_theta_max         62.67
_diffrn_reflns_theta_min         5.15
_exptl_absorpt_coefficient_mu    6.984
_exptl_absorpt_correction_T_max  0.5418
_exptl_absorpt_correction_T_min  0.2543
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS. Program for empirical absorption correction of
 area-detector data. University of Goetingen. Germany. 
 Sheldrick, G. M. 1996
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.784
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.663
_refine_diff_density_min         -0.322
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.134
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     91
_refine_ls_number_reflns         1071
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.134
_refine_ls_R_factor_all          0.0263
_refine_ls_R_factor_gt           0.0258
_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^)+(0.0338P)^2^+2.3537P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0664
_refine_ls_wR_factor_ref         0.0668
_reflns_number_gt                1054
_reflns_number_total             1071
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo802579f_si_003.cif
_cod_data_source_block           raj3g
_cod_database_code               4024371