A C3v-Symmetric Tripodal Urea Receptor for Anions and Ion Pairs: Formation of Dimeric Capsular Assemblies of the Receptor during Anion and Ion Pair Coordination.
Basu, Arghya; Das, Gopal; The Journal of organic chemistry 79 (2014) 2647–2656; doi:10.1021/jo500102e

data_4029168
_publ_section_title
;
 A C3v-Symmetric Tripodal Urea Receptor for Anions and Ion Pairs:
 Formation of Dimeric Capsular Assemblies of the Receptor during Anion and
 Ion Pair Coordination.
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_journal_issue                   6
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2647
_journal_page_last               2656
_journal_paper_doi               10.1021/jo500102e
_journal_volume                  79
_journal_year                    2014
_chemical_formula_sum            'C46 H42 N10 O15'
_chemical_formula_weight         974.90
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                120.00
_cell_formula_units_Z            6
_cell_length_a                   18.3034(14)
_cell_length_b                   18.3034(14)
_cell_length_c                   40.426(8)
_cell_measurement_temperature    298(2)
_cell_volume                     11729(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_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  0.0357
_diffrn_reflns_av_sigmaI/netI    0.0805
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -53
_diffrn_reflns_number            8797
_diffrn_reflns_theta_full        28.75
_diffrn_reflns_theta_max         28.75
_diffrn_reflns_theta_min         3.44
_exptl_absorpt_coefficient_mu    0.063
_exptl_absorpt_correction_T_max  0.986
_exptl_absorpt_correction_T_min  0.982
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADBAS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    0.828
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3048.0
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.22
_platon_squeeze_details
;
;
_refine_diff_density_max         0.201
_refine_diff_density_min         -0.239
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.995
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     214
_refine_ls_number_reflns         6625
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.995
_refine_ls_R_factor_all          0.1723
_refine_ls_R_factor_gt           0.0981
_refine_ls_shift/su_max          0.023
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2600
_refine_ls_wR_factor_ref         0.2882
_reflns_number_gt                5730
_reflns_number_total             6625
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo500102e_si_002.cif
_cod_data_source_block           Complex4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to
/usr/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'R -3'
_cod_original_formula_sum        ' C46 H42 N10 O15 '
_cod_database_code               4029168