1-Phenylaceanthrylene-2,6-dione
Zhe Li; Hoong-Kun Fun; Suchada Chantrapromma; Jian-Hua Xu; Acta Crystallographica Section E 63 (2007) o2499–o2500; doi:10.1107/S160053680701700X

data_2213524
_publ_section_title
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 1-Phenylaceanthrylene-2,6-dione
;
_journal_coeditor_code           RZ2126
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2499
_journal_page_last               o2500
_journal_paper_doi               10.1107/S160053680701700X
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C22 H12 O2'
_chemical_formula_moiety         'C22 H12 O2'
_chemical_formula_sum            'C22 H12 O2'
_chemical_formula_weight         308.32
_chemical_melting_point          527.5(5)
_chemical_name_systematic
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1-Phenyl-aceanthrylene-2,6-dione
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.7144(4)
_cell_length_b                   12.6734(7)
_cell_length_c                   16.9009(10)
_cell_measurement_reflns_used    1475
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.41
_cell_volume                     1438.17(14)
_computing_cell_refinement       APEX2
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    SHELXTL
_computing_publication_material
;
SHELXTL and PLATON (Spek, 2003)
;
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 1998)'
_diffrn_ambient_temperature      297(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type
;
Bruker SMART APEXII CCD area-detector
;
_diffrn_measurement_method       \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  0.0658
_diffrn_reflns_av_sigmaI/netI    0.0541
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9082
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.41
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.9932
_exptl_absorpt_correction_T_min  0.9770
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.424
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.498
_refine_diff_density_min         -0.207
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         1475
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0868
_refine_ls_R_factor_gt           0.0695
_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^)+(0.0719P)^2^+1.7541P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1577
_refine_ls_wR_factor_ref         0.1683
_reflns_number_gt                1190
_reflns_number_total             1475
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            rz2126.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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:

'_chemical_melting_point' value '527-528' was changed to '527.5(5)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '527-528' was changed to '527.5(5)' -
the average value was taken and precision was
estimated.

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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               2213524
_cod_database_fobs_code          2213524