Cyclic triureas—synthesis, crystal structures and properties
Meshcheryakov, Denys; Arnaud-Neu, Françoise; Böhmer, Volker; Bolte, Michael; Hubscher-Bruder, Véronique; Jobin, Emilie; Thondorf, Iris; Werner, Sabine; Organic & Biomolecular Chemistry 6 (2008) 1004–1014; doi:10.1039/b718114k

data_7150857
_publ_section_title
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 Cyclic triureas---synthesis, crystal structures and properties
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_journal_issue                   6
_journal_name_full               'Organic &amp;  Biomolecular Chemistry'
_journal_page_first              1004
_journal_page_last               1014
_journal_paper_doi               10.1039/b718114k
_journal_volume                  6
_journal_year                    2008
_chemical_formula_sum            'C55 H66 Cl N7 O6'
_chemical_formula_weight         956.60
_chemical_name_systematic
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?
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_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                 96.085(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.9730(16)
_cell_length_b                   14.2644(6)
_cell_length_c                   16.7013(12)
_cell_measurement_reflns_used    31622
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.1
_cell_measurement_theta_min      3.5
_cell_volume                     5205.2(6)
_computing_cell_refinement       'X-Area (Stoe & Cie, 2001)'
_computing_data_collection       'X-Area (Stoe & Cie, 2001)'
_computing_data_reduction        'X-Area (Stoe & Cie, 2001)'
_computing_molecular_graphics    'XP in SHELXTL-Plus (Sheldrick, 1991)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997) '
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990) '
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'STOE IPDS II two-circle-diffractometer'
_diffrn_measurement_method       \w
_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  0.0866
_diffrn_reflns_av_sigmaI/netI    0.0617
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            66076
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         3.48
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.129
_exptl_absorpt_correction_T_max  0.9872
_exptl_absorpt_correction_T_min  0.9598
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'MULABS (Spek, 2003; Blessing, 1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.221
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2040
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.208
_refine_diff_density_min         -0.236
_refine_diff_density_rms         0.044
_refine_ls_extinction_coef       0.0027(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.958
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     666
_refine_ls_number_reflns         9795
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      0.961
_refine_ls_R_factor_all          0.0833
_refine_ls_R_factor_gt           0.0464
_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^)+(0.0545P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0944
_refine_ls_wR_factor_ref         0.1056
_reflns_number_gt                6649
_reflns_number_total             9795
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b718114k.txt
_cod_data_source_block           boeh57
_cod_depositor_comments
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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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7150857