Design of a Series of Isostructural Co-Crystals with Aminopyrimidines: Isostructurality through Chloro/Methyl Exchange and Studies on Supramolecular Architectures
Ebenezer, Samuel; Muthiah, P. Thomas; Butcher, Ray J.; Crystal Growth & Design 11 (2011) 3579–; doi:10.1021/cg200539a

data_4500949
_publ_section_title
;
 Design of a Series of Isostructural Co-Crystals with Aminopyrimidines:
 Isostructurality through Chloro/Methyl Exchange and Studies on
 Supramolecular Architectures
;
_journal_issue                   8
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3579
_journal_paper_doi               10.1021/cg200539a
_journal_volume                  11
_journal_year                    2011
_chemical_formula_moiety         'C7 H5 N O4, C5 H6 Cl N3'
_chemical_formula_sum            'C12 H11 Cl N4 O4'
_chemical_formula_weight         310.70
_chemical_name_systematic
;
 2-amino-4-chloro-6-methylpyrimidine-4-nitrobenzoic acid
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                80.291(3)
_cell_angle_beta                 78.448(3)
_cell_angle_gamma                85.491(3)
_cell_formula_units_Z            2
_cell_length_a                   6.9797(4)
_cell_length_b                   7.3469(4)
_cell_length_c                   13.7131(7)
_cell_measurement_reflns_used    4899
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      34.9
_cell_measurement_theta_min      2.8
_cell_volume                     678.35(6)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_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 0.998
_diffrn_measured_fraction_theta_max 0.828
_diffrn_measurement_device_type  'Bruker SMART 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  0.0342
_diffrn_reflns_av_sigmaI/netI    0.0252
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            19134
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         34.86
_diffrn_reflns_theta_min         2.82
_exptl_absorpt_coefficient_mu    0.304
_exptl_absorpt_correction_T_max  0.9279
_exptl_absorpt_correction_T_min  0.8482
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS ; Bruker, 2001)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.521
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Square
_exptl_crystal_F_000             320
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.51
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.412
_refine_diff_density_min         -0.351
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         4899
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0706
_refine_ls_R_factor_gt           0.0514
_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^)+(0.0756P)^2^+0.2155P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1422
_refine_ls_wR_factor_ref         0.1600
_reflns_number_gt                3632
_reflns_number_total             4899
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg200539a_si_002.cif
_cod_data_source_block           CP4NBA
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_database_code               4500949