Ureidobenzotriazine Multiple H-Bonding Arrays: The Importance of Geometrical Details on the Stability of H-Bonds
G. B. W. L. Ligthart; Dawei Guo; A. L. Spek; Huub Kooijman; Han Zuilhof; Rint P. Sijbesma; Journal of Organic Chemistry 73 (2008) 111–117; doi:10.1021/jo7019338

data_4023173
_publ_contact_author_address
;   Bijvoet Center for Biomolecular Research
    Crystal and Structural Chemistry
    Utrecht University
    Padualaan 8
    3584 CH Utrecht
    The Netherlands
;
_publ_contact_author_email       a.l.spek@chem.uu.nl
_publ_contact_author_fax         '+31 30 2533940'
_publ_contact_author_name        '   Prof. Dr. A.L. Spek'
_publ_contact_author_phone       '+31 30 2532538'
_publ_section_title
;
 Ureidobenzotriazine Multiple H-Bonding Arrays: The Importance
 of Geometrical Details on the Stability of H-Bonds
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              111
_journal_page_last               117
_journal_paper_doi               10.1021/jo7019338
_journal_volume                  73
_journal_year                    2008
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C12 H15 N5 O2'
_chemical_formula_sum            'C12 H15 N5 O2'
_chemical_formula_weight         261.29
_chemical_name_systematic        ?
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_date             'Jun 20 13:38:47 2007'
_audit_creation_method           'PLATON <TABLE ACC> option'
_cell_angle_alpha                90
_cell_angle_beta                 110.518(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   10.9164(10)
_cell_length_b                   19.4699(10)
_cell_length_c                   12.785(3)
_cell_measurement_reflns_used    40516
_cell_measurement_temperature    150
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.0
_cell_volume                     2545.0(7)
_computing_cell_refinement       COLLECT'
_computing_data_collection       COLLECT
_computing_data_reduction        DENZO
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SHELXS-86
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'Omega & Phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0529
_diffrn_reflns_av_sigmaI/netI    0.0263
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            68037
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.364
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.219
_refine_diff_density_min         -0.234
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     373
_refine_ls_number_reflns         5814
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0649
_refine_ls_R_factor_gt           0.0409
_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^)+(0.0613P)^2^+0.2843P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1002
_refine_ls_wR_factor_ref         0.1128
_reflns_number_gt                4205
_reflns_number_total             5814
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo7019338-File001.cif
_cod_data_source_block           s2724a
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4023173