4-Methyl/Phenyl-1,2,5,6-tetraazafluoranthen-3(2H)-ones Synthesis: Mechanistic Pathway Study and Single-Crystal X-ray Analysis of the Intermediates
Sarhan, Ahmed A. M.; Haukka, Matti; Barakat, Assem; Soliman, Saied M.; Boraei, Ahmed T. A.; Sopaih, Manar; Salama, Eid E.; Crystals 13 (2023) 1537–; doi:10.3390/cryst13111537

data_1570250
_publ_section_title
;
 4-Methyl/Phenyl-1,2,5,6-tetraazafluoranthen-3(2H)-ones Synthesis:
 Mechanistic Pathway Study and Single-Crystal X-ray Analysis of the
 Intermediates
;
_journal_issue                   11
_journal_name_full               Crystals
_journal_page_first              1537
_journal_paper_doi               10.3390/cryst13111537
_journal_volume                  13
_journal_year                    2023
_chemical_formula_moiety         'C20 H14 N2 O3'
_chemical_formula_sum            'C20 H14 N2 O3'
_chemical_formula_weight         330.33
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2019/3
_cell_angle_alpha                90
_cell_angle_beta                 113.9469(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.89752(13)
_cell_length_b                   5.76627(4)
_cell_length_c                   17.97633(13)
_cell_measurement_reflns_used    22420
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      79.0380
_cell_measurement_theta_min      2.8620
_cell_volume                     1600.77(2)
_computing_cell_refinement
;
CrysAlisPro 1.171.42.80a (Rigaku Oxford Diffraction, 2023)
;
_computing_data_collection
;
CrysAlisPro 1.171.42.80a (Rigaku Oxford Diffraction, 2023)
;
_computing_data_reduction
;
CrysAlisPro 1.171.42.80a (Rigaku Oxford Diffraction, 2023)
;
_computing_molecular_graphics
'CrystaMaker X (CrystalMaker Software ltd., 2022)'
_computing_publication_material  'SHELXL-2019/3 (Sheldrick, 2019)'
_computing_structure_refinement  'SHELXL-2019/3 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT (Sheldrick, 2018)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            'HyPix-Arc 100'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dualflex, HyPix-Arc 100'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0237
_diffrn_reflns_av_unetI/netI     0.0115
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            35632
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         79.198
_diffrn_reflns_theta_min         3.029
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.766
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.67150
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.42.80a (Rigaku Oxford Diffraction, 2023)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_description       block
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.160
_exptl_crystal_size_mid          0.131
_exptl_crystal_size_min          0.107
_refine_diff_density_max         0.176
_refine_diff_density_min         -0.215
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3465
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0373
_refine_ls_R_factor_gt           0.0358
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0487P)^2^+0.5098P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0927
_refine_ls_wR_factor_ref         0.0939
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3275
_reflns_number_total             3465
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            nd61.cif
_cod_data_source_block           nd61
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1570250
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_min   0.887
_shelx_estimated_absorpt_t_max   0.923
_shelx_res_checksum              78259
_shelx_hkl_checksum              81113