Balancing intermolecular hydrogen-bond interactions for the directed assembly of binary 1 : 1 co-crystals
Christer B. Aakeröy; Nate Schultheiss; John Desper; Curtis Moore; New Journal of Chemistry 30 (2006) 1452–; doi:10.1039/b608267j

data_7052361
_publ_section_title
;
 Balancing intermolecular hydrogen-bond interactions for the directed
 assembly of binary 1 : 1 co-crystals
;
_journal_issue                   10
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1452
_journal_paper_doi               10.1039/b608267j
_journal_volume                  30
_journal_year                    2006
_chemical_formula_moiety         '(C11 H12 N4 O), (C7 H4 F2 O2)'
_chemical_formula_sum            'C18 H16 F2 N4 O3'
_chemical_formula_weight         374.35
_chemical_name_systematic
;
(2-amino-4-(6-methoxy-3-pyridyl)-6-methylpyrimidine), (2,4-difluorobenzoic acid)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 106.439(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   33.158(4)
_cell_length_b                   7.3848(7)
_cell_length_c                   14.1634(16)
_cell_measurement_reflns_used    1729
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.45
_cell_measurement_theta_min      2.05
_cell_volume                     3326.4(6)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.2039
_diffrn_reflns_av_sigmaI/netI    0.1172
_diffrn_reflns_limit_h_max       41
_diffrn_reflns_limit_h_min       -42
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            68430
_diffrn_reflns_theta_full        27.18
_diffrn_reflns_theta_max         27.18
_diffrn_reflns_theta_min         2.56
_exptl_absorpt_coefficient_mu    0.119
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            lustrous
_exptl_crystal_density_diffrn    1.495
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1552
_exptl_crystal_size_max          0.310
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.259
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.876
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     260
_refine_ls_number_reflns         3690
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.876
_refine_ls_R_factor_all          0.1522
_refine_ls_R_factor_gt           0.0558
_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^)+(0.0750P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1233
_refine_ls_wR_factor_ref         0.1514
_reflns_number_gt                1598
_reflns_number_total             3690
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b608267j.txt
_cod_data_source_block           2b
_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 
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_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7052361