Alkali Metal Ions As Probes of Structure and Recognition Properties of Macrocyclic Pyridyl Urea Hosts
Kinkini Roy; Chun Wang; Mark D. Smith; Perry J. Pellechia; Linda S. Shimizu; Journal of Organic Chemistry 75 (2010) 5453–5460; doi:10.1021/jo1009596

data_4025602
_publ_section_title
;
 Alkali Metal Ions As Probes of Structure and Recognition Properties of
 Macrocyclic Pyridyl Urea Hosts
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5453
_journal_page_last               5460
_journal_paper_doi               10.1021/jo1009596
_journal_volume                  75
_journal_year                    2010
_chemical_formula_moiety         'C28 H40 N8 O2, H2 O'
_chemical_formula_sum            'C28 H42 N8 O3'
_chemical_formula_weight         538.70
_chemical_name_systematic
; 
 ? 
;
_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                 99.2990(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.7784(8)
_cell_length_b                   22.3560(15)
_cell_length_c                   27.7304(19)
_cell_measurement_reflns_used    6806
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      23.190
_cell_measurement_theta_min      2.208
_cell_volume                     7206.0(8)
_computing_cell_refinement       'SAINT-Plus Version 6.45 (Bruker, 2001)'
_computing_data_collection       'SMART Version 5.625 (Bruker, 2001)'
_computing_data_reduction        'SAINT-Plus Version 6.45 (Bruker, 2001)'
_computing_molecular_graphics    various
_computing_publication_material  'SHELXTL Version 6.14 (Bruker, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART APEX CCD diffractometer'
_diffrn_measurement_method       'omega 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  0.0634
_diffrn_reflns_av_sigmaI/netI    0.0431
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            76896
_diffrn_reflns_theta_full        23.30
_diffrn_reflns_theta_max         23.30
_diffrn_reflns_theta_min         1.49
_exptl_absorpt_coefficient_mu    0.067
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    0.993
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       bar
_exptl_crystal_F_000             2320
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.248
_refine_diff_density_min         -0.205
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.933
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     725
_refine_ls_number_reflns         10364
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      0.933
_refine_ls_R_factor_all          0.0634
_refine_ls_R_factor_gt           0.0453
_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^)+(0.0766P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1185
_refine_ls_wR_factor_ref         0.1254
_reflns_number_gt                7466
_reflns_number_total             10364
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo1009596_si_005.cif
_cod_data_source_block           cw1421az
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4025602