Tetraureas versus triureas in sulfate binding.
Jia, Chuandong; Wu, Biao; Li, Shaoguang; Huang, Xiaojuan; Yang, Xiao-Juan; Organic letters 12 (2010) 5612–5615; doi:10.1021/ol102221x

data_1503284
_publ_section_title
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 Tetraureas versus triureas in sulfate binding.
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_journal_issue                   24
_journal_name_full               'Organic letters'
_journal_page_first              5612
_journal_page_last               5615
_journal_paper_doi               10.1021/ol102221x
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C66 H100 N12 O12 S'
_chemical_formula_weight         1285.64
_chemical_name_systematic
; 
 ? 
;
_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                 98.2740(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   19.1303(12)
_cell_length_b                   27.5958(17)
_cell_length_c                   27.5077(17)
_cell_measurement_reflns_used    1699
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.10
_cell_measurement_theta_min      2.24
_cell_volume                     14370.6(15)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.1135
_diffrn_reflns_av_sigmaI/netI    0.1200
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            92391
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.30
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_T_max  0.9677
_exptl_absorpt_correction_T_min  0.9369
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.188
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             5536
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.861
_refine_diff_density_min         -0.357
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1664
_refine_ls_number_reflns         24620
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.143
_refine_ls_R_factor_all          0.1820
_refine_ls_R_factor_gt           0.0797
_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^)+(0.0902P)^2^+5.1616P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1794
_refine_ls_wR_factor_ref         0.2263
_reflns_number_gt                11502
_reflns_number_total             24620
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol102221x_si_002.cif
_cod_data_source_block           1
_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.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' 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 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1503284