Glycoluril trimers: selective synthesis and supramolecular properties.
Stancl, Marek; Hodan, Martin; Sindelar, Vladimir; Organic letters 11 (2009) 4184–4187; doi:10.1021/ol9017886

data_1504162
_publ_section_title
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 Glycoluril trimers: selective synthesis and supramolecular properties.
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_journal_issue                   18
_journal_name_full               'Organic letters'
_journal_page_first              4184
_journal_page_last               4187
_journal_paper_doi               10.1021/ol9017886
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C24 H38 N12 O10'
_chemical_formula_weight         654.66
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 99.131(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.4511(2)
_cell_length_b                   13.8492(4)
_cell_length_c                   21.2892(5)
_cell_measurement_reflns_used    29809
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.10
_cell_measurement_theta_min      2.68
_cell_volume                     2751.24(12)
_computing_cell_refinement       Xcalibur
_computing_data_collection       'Xcalibur (Oxford Diffraction Ltd, 2006)'
_computing_data_reduction        Xcalibur
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 0.06
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Kuma KM-4 CCD diffractometer'
_diffrn_measurement_method       '\w 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  0.0213
_diffrn_reflns_av_sigmaI/netI    0.0141
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            26728
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.68
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.125
_exptl_absorpt_correction_T_max  0.963
_exptl_absorpt_correction_T_min  0.888
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Xcalibur
_exptl_crystal_density_diffrn    1.581
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1384
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.504
_refine_diff_density_min         -0.385
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     441
_refine_ls_number_reflns         4825
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0545
_refine_ls_R_factor_gt           0.0414
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0554P)^2^+2.5402P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1099
_refine_ls_wR_factor_ref         0.1197
_reflns_number_gt                3950
_reflns_number_total             4825
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol9017886_si_002.cif
_cod_data_source_block           4c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1504162