Three ethyl 5-amino-1-aryl-1<i>H</i>-imidazole-4-carboxylates: hydrogen-bonded supramolecular structures in one, two and three dimensions
Costa, Marilia S.; Boechat, Nubia; Wardell, Solange M. S. V.; Ferreira, Vitor F.; Low, John N.; Glidewell, Christopher; Acta Crystallographica Section C 63 (2007) o33–o37; doi:10.1107/S0108270106048402

data_2015762
_publ_section_title
;
 Three ethyl 5-amino-1-aryl-1<i>H</i>-imidazole-4-carboxylates:
 hydrogen-bonded supramolecular structures in one, two and three
 dimensions
;
_journal_coeditor_code           SK3077
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o33
_journal_page_last               o37
_journal_paper_doi               10.1107/S0108270106048402
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C12 H11 F2 N3 O2'
_chemical_formula_moiety         'C12 H11 F2 N3 O2'
_chemical_formula_sum            'C12 H11 F2 N3 O2'
_chemical_formula_weight         267.24
_chemical_name_systematic
;
ethyl 5-amino-1-(2,6-difluorophenyl)-1H-imidazole-4-carboxylate
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 98.810(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.9045(4)
_cell_length_b                   12.9950(7)
_cell_length_c                   11.7737(5)
_cell_measurement_reflns_used    1362
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.44
_cell_measurement_theta_min      3.04
_cell_volume                     1195.11(10)
_computing_cell_refinement       'DENZO (Otwinowski & Minor, 1997) and COLLECT'
_computing_data_collection       'COLLECT (Hooft, 1999)'
_computing_data_reduction        'DENZO and COLLECT'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 and PRPKAPPA (Ferguson, 1999)'
_computing_structure_refinement  'OSCAIL and SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution
'OSCAIL (McArdle, 2003) and SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker--Nonius KappaCCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker--Nonius FR591 rotating anode'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0525
_diffrn_reflns_av_sigmaI/netI    0.0360
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            8086
_diffrn_reflns_theta_full        27.44
_diffrn_reflns_theta_max         27.44
_diffrn_reflns_theta_min         3.04
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.124
_exptl_absorpt_correction_T_max  0.985
_exptl_absorpt_correction_T_min  0.966
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.485
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.170
_refine_diff_density_min         -0.232
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         1362
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0455
_refine_ls_R_factor_gt           0.0343
_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^)+(0.0438P)^2^+0.2764P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0745
_refine_ls_wR_factor_ref         0.0802
_reflns_number_gt                1175
_reflns_number_total             1362
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk3077.cif
_cod_data_source_block           III
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               2015762
_cod_database_fobs_code          2015762