3-Benzoylthymine
Parvez, Masood; Phillips, Sandra E.; Sutherland, Todd C.; Acta Crystallographica Section E 63 (2007) o733–o734; doi:10.1107/S1600536807001092

data_2212281
_publ_section_title
;
 3-Benzoylthymine
;
_journal_coeditor_code           LH2278
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o733
_journal_page_last               o734
_journal_paper_doi               10.1107/S1600536807001092
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C12 H10 N2 O3'
_chemical_formula_moiety         'C12 H10 N2 O3'
_chemical_formula_sum            'C12 H10 N2 O3'
_chemical_formula_weight         230.22
_chemical_melting_point          268
_chemical_name_common            3-benzoylthymine
_chemical_name_systematic        3-benzoyl-5-methylpyrimidine-2,4(1H,3H)-dione
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.729(2)
_cell_length_b                   9.514(2)
_cell_length_c                   25.796(5)
_cell_measurement_reflns_used    2442
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      3.96
_cell_volume                     2142.3(8)
_computing_cell_refinement       'DENZO (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1998)'
_computing_data_reduction        'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 2005)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SAPI91 (Fan, 1991)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Nonius KappaCCD area-detector'
_diffrn_measurement_method       '\w and \f'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0340
_diffrn_reflns_av_sigmaI/netI    0.0406
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            4496
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.96
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_T_max  0.9896
_exptl_absorpt_correction_T_min  0.9814
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SORTAV; Blessing, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.428
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.190
_refine_diff_density_min         -0.198
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.143
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         2442
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.143
_refine_ls_R_factor_all          0.0739
_refine_ls_R_factor_gt           0.0485
_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^)+(0.039P)^2^+1.15P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1125
_refine_ls_wR_factor_ref         0.1228
_reflns_number_gt                1789
_reflns_number_total             2442
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh2278.cif
_cod_data_source_block           I
_cod_database_code               2212281
_cod_database_fobs_code          2212281