2-Phenyl-4<i>H</i>-3,1-benzoxazin-4-one
Thilagavathy, R.; Kavitha, Helen P.; Arulmozhi, R.; Vennila, Jasmine P.; Manivannan, V.; Acta Crystallographica Section E 65 (2009) o127–; doi:10.1107/S1600536808042050

data_2220495
_publ_section_title
;
 2-Phenyl-4<i>H</i>-3,1-benzoxazin-4-one
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_journal_coeditor_code           GK2180
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o127
_journal_paper_doi               10.1107/S1600536808042050
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C14 H9 N O2'
_chemical_formula_moiety         'C14 H9 N O2'
_chemical_formula_sum            'C14 H9 N O2'
_chemical_formula_weight         223.22
_chemical_name_systematic
;
2-Phenyl-4<i>H</i>-3,1-benzoxazin-4-one
;
_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                 94.946(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.3055(16)
_cell_length_b                   3.8930(4)
_cell_length_c                   20.445(2)
_cell_measurement_reflns_used    2312
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      29.5
_cell_measurement_theta_min      1.7
_cell_volume                     1055.1(2)
_computing_cell_refinement       'APEX2 (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Kappa APEXII'
_diffrn_measurement_method       '\w and \f'
_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  0.0362
_diffrn_reflns_av_sigmaI/netI    0.0359
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            13688
_diffrn_reflns_theta_full        29.78
_diffrn_reflns_theta_max         29.78
_diffrn_reflns_theta_min         1.76
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9849
_exptl_absorpt_correction_T_min  0.9812
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.405
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.238
_refine_diff_density_min         -0.276
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         3034
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.1044
_refine_ls_R_factor_gt           0.0533
_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^)+(0.0948P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1426
_refine_ls_wR_factor_ref         0.1868
_reflns_number_gt                1800
_reflns_number_total             3034
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gk2180.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_hbond_publ_flag' value 'Y' changed to 'y' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (2 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_geom_hbond_publ_flag' value 'Y' changed to 'y' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (2 times).

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2220495
_cod_database_fobs_code          2220495