Crystal structure of benzanthrone – a redetermination for correct molecular geometry and localization of hydrogen atoms
Manana, Pholani; Hosten, Eric C.; Betz, Richard; Zeitschrift für Kristallographie - New Crystal Structures 236 (2021) 139–141; doi:10.1515/ncrs-2020-0389

data_8104904
_publ_section_title
;
 Crystal structure of benzanthrone&#x00A0;-- a redetermination for correct
 molecular geometry and localization of hydrogen atoms
;
_journal_issue                   1
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              139
_journal_page_last               141
_journal_paper_doi               10.1515/ncrs-2020-0389
_journal_volume                  236
_journal_year                    2021
_chemical_formula_moiety         'C17 H10 O'
_chemical_formula_sum            'C17 H10 O'
_chemical_formula_weight         230.25
_chemical_name_common            benzanthrone
_chemical_name_systematic        benzanthrone
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.0604(12)
_cell_length_b                   14.672(3)
_cell_length_c                   14.846(3)
_cell_measurement_reflns_used    2442
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      27.98
_cell_measurement_theta_min      2.74
_cell_volume                     1102.3(4)
_computing_cell_refinement       'SAINT (Bruker, 2010)'
_computing_data_collection       'APEX2 (Bruker, 2010)'
_computing_data_reduction        SAINT
_computing_molecular_graphics
'ORTEP3 (Farrugia, 2012), Mercury (Macrae et al., 2008)'
_computing_publication_material  'SHELXL-97, PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2015)'
_diffrn_ambient_temperature      200(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  0.0344
_diffrn_reflns_av_sigmaI/netI    0.0363
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            8990
_diffrn_reflns_theta_full        28.40
_diffrn_reflns_theta_max         28.40
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8939
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;                                                              
SADABS (Bruker, 2008)                                          
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.388
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             480
_exptl_crystal_size_max          0.449
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.052
_refine_diff_density_max         0.160
_refine_diff_density_min         -0.137
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         1620
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0709
_refine_ls_R_factor_gt           0.0432
_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^)+(0.0513P)^2^+0.1548P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0923
_refine_ls_wR_factor_ref         0.1022
_reflns_number_gt                1181
_reflns_number_total             1620
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            suppl_j_ncrs-2020-0389_suppl.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the built-in table derived from
the CIF Core dictionary named 'cif_core.dic' version 2.4.5 last
updated on 2014-11-21.

Automatic conversion script
Id: cif_fix_values 8738 2021-04-28 16:35:53Z antanas 
;
_cod_original_cell_volume        1102.2(4)
_cod_original_sg_symbol_H-M      'P2(1)2(1)2(1) '
_cod_database_code               8104904