Structural Characterization of 2-Imidazolones: Comparison with their Heavier Chalcogen Counterparts
Yi Rong; Ahmed Al-Harbi; Benjamin Kriegel; Gerard Parkin; Inorganic Chemistry 52 (2013) 7172–7182; doi:10.1021/ic400788g

data_4335235
_publ_section_title
;
 Structural Characterization of 2-Imidazolones: Comparison with their
 Heavier Chalcogen Counterparts
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7172
_journal_page_last               7182
_journal_paper_doi               10.1021/ic400788g
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'C8 H8 N2 O'
_chemical_formula_weight         148.16
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.481(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.4105(16)
_cell_length_b                   5.5849(10)
_cell_length_c                   13.456(2)
_cell_measurement_reflns_used    3159
_cell_measurement_temperature    125(2)
_cell_measurement_theta_max      30.58
_cell_measurement_theta_min      2.61
_cell_volume                     707.0(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      125(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_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  0.0623
_diffrn_reflns_av_sigmaI/netI    0.0492
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            10956
_diffrn_reflns_theta_full        30.69
_diffrn_reflns_theta_max         30.69
_diffrn_reflns_theta_min         2.61
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9981
_exptl_absorpt_correction_T_min  0.9812
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.392
_exptl_crystal_description       PLATE
_exptl_crystal_F_000             312
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.316
_refine_diff_density_min         -0.264
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     105
_refine_ls_number_reflns         2181
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0752
_refine_ls_R_factor_gt           0.0478
_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^)+(0.0477P)^2^+0.1893P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1057
_refine_ls_wR_factor_ref         0.1183
_reflns_number_gt                1525
_reflns_number_total             2181
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic400788g_si_002.cif
_cod_data_source_block           boxims10
_cod_database_code               4335235