Will they co-crystallize?
Wicker, Jerome G. P.; Crowley, Lorraine M.; Robshaw, Oliver; Little, Edmund J.; Stokes, Stephen P.; Cooper, Richard I.; Lawrence, Simon E.; CrystEngComm 19 (2017) 5336–5340; doi:10.1039/C7CE00587C

data_1546487
_publ_section_title
;
 Will they co-crystallize?
;
_journal_issue                   36
_journal_name_full               CrystEngComm
_journal_page_first              5336
_journal_page_last               5340
_journal_paper_doi               10.1039/C7CE00587C
_journal_volume                  19
_journal_year                    2017
_chemical_formula_moiety         'C7 H5 N O4, C H4 N2 O'
_chemical_formula_sum            'C8 H9 N3 O5'
_chemical_formula_weight         227.18
_chemical_name_common            'Urea and 2-Nitrobenzoic Acid'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2017-03-17 deposited with the CCDC.
2017-07-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.543(12)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.084(4)
_cell_length_b                   12.756(6)
_cell_length_c                   9.490(4)
_cell_measurement_reflns_used    1449
_cell_measurement_temperature    296.(2)
_cell_measurement_theta_max      23.5903
_cell_measurement_theta_min      2.6784
_cell_volume                     976.7(8)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.927
_diffrn_measured_fraction_theta_max 0.927
_diffrn_measurement_device_type  'Bruker APEX DUO'
_diffrn_measurement_method       '\w and \q scans'
_diffrn_radiation_monochromator  Graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0580
_diffrn_reflns_av_unetI/netI     0.0580
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7065
_diffrn_reflns_theta_full        26.69
_diffrn_reflns_theta_max         26.69
_diffrn_reflns_theta_min         2.52
_diffrn_source                   'Sealed tube'
_diffrn_source_type              'Siemens KFF Mo 2K-90'
_exptl_absorpt_coefficient_mu    0.131
_exptl_absorpt_correction_T_max  0.99
_exptl_absorpt_correction_T_min  0.77
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/5 (Bruker AXS Inc.)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.545
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Brick
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.390
_exptl_crystal_size_mid          0.240
_exptl_crystal_size_min          0.105
_refine_diff_density_max         0.466
_refine_diff_density_min         -0.490
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         1904
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      0.996
_refine_ls_R_factor_all          0.1156
_refine_ls_R_factor_gt           0.0712
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1633P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1760
_refine_ls_wR_factor_ref         0.2452
_reflns_number_gt                1139
_reflns_number_total             1904
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ce00587c3.cif
_cod_data_source_block           6B
_cod_database_code               1546487
_shelx_res_checksum              76332