Design of Co-crystals/Salts of Aminopyrimidines and Carboxylic Acids through Recurrently Occurring Synthons
Ebenezer, Samuel; Muthiah, P. Thomas; Crystal Growth & Design 12 (2012) 3766–; doi:10.1021/cg3005954

data_4506653
_publ_section_title
;
 Design of Co-crystals/Salts of Aminopyrimidines and Carboxylic Acids
 through Recurrently Occurring Synthons
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3766
_journal_paper_doi               10.1021/cg3005954
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         'C6 H9 N3 O2, C7 H5 N O4'
_chemical_formula_sum            'C13 H14 N4 O6'
_chemical_formula_weight         322.28
_chemical_name_systematic
;
 2-amino-4,6-dimethoxypyrimidine-4-nitrobenzoic acid
;
_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                 90.455(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.76200(10)
_cell_length_b                   10.9490(2)
_cell_length_c                   28.4995(6)
_cell_measurement_reflns_used    2362
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      24.1
_cell_measurement_theta_min      2.0
_cell_volume                     1485.89(5)
_computing_cell_refinement       'SAINT (Bruker, 2008)'
_computing_data_collection       'SMART APEX II (Bruker, 2008)'
_computing_data_reduction        'SAINT (Bruker, 2008)'
_computing_molecular_graphics    'Mercury 2.2 (Macrae et al., 2006)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD area-detector'
_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  0.0301
_diffrn_reflns_av_sigmaI/netI    0.0259
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            11462
_diffrn_reflns_theta_full        24.08
_diffrn_reflns_theta_max         24.08
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    0.116
_exptl_absorpt_correction_T_max  0.9816
_exptl_absorpt_correction_T_min  0.9771
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; (Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.441
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.147
_refine_diff_density_min         -0.152
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         2362
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0634
_refine_ls_R_factor_gt           0.0402
_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^)+(0.0544P)^2^+0.2084P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0971
_refine_ls_wR_factor_ref         0.1101
_reflns_number_gt                1683
_reflns_number_total             2362
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             4506397
_cod_data_source_file            cg3005954_si_001.cif
_cod_data_source_block           MOP4NBA
_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 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4506653