Ethyl 4-(2,4-difluorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
Fun, Hoong-Kun; Yeap, Chin Sing; Babu, M.; Kalluraya, B.; Acta Crystallographica Section E 65 (2009) o1188–o1189; doi:10.1107/S1600536809015918

data_2221960
_publ_section_title
;Ethyl
 4-(2,4-difluorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
;
_journal_coeditor_code           CI2792
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1188
_journal_page_last               o1189
_journal_paper_doi               10.1107/S1600536809015918
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C14 H14 F2 N2 O3'
_chemical_formula_moiety         'C14 H14 F2 N2 O3'
_chemical_formula_sum            'C14 H14 F2 N2 O3'
_chemical_formula_weight         296.27
_chemical_name_systematic
;Ethyl
4-(2,4-difluorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
;
_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                90.1470(10)
_cell_angle_beta                 100.8390(10)
_cell_angle_gamma                108.4210(10)
_cell_formula_units_Z            2
_cell_length_a                   7.51760(10)
_cell_length_b                   8.04830(10)
_cell_length_c                   11.9323(2)
_cell_measurement_reflns_used    7927
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      34.38
_cell_measurement_theta_min      2.67
_cell_volume                     671.248(17)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
;
SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)
;
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type
;
Bruker SMART APEXII CCD area-detector
;
_diffrn_measurement_method       '\f and \w'
_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  0.0277
_diffrn_reflns_av_sigmaI/netI    0.0384
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            17515
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.67
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.122
_exptl_absorpt_correction_T_max  0.9848
_exptl_absorpt_correction_T_min  0.9493
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.466
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             308
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.656
_refine_diff_density_min         -0.838
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     266
_refine_ls_number_reflns         3075
_refine_ls_number_restraints     45
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0750
_refine_ls_R_factor_gt           0.0681
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_max_lt       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^)+(0.0607P)^2^+0.8775P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1673
_refine_ls_wR_factor_ref         0.1729
_reflns_number_gt                2703
_reflns_number_total             3075
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2792.cif
_cod_data_source_block           I
_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_enum 1527 2010-12-29 10:47:43Z saulius 

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               2221960
_cod_database_fobs_code          2221960