Development of a Class of Easily Scalable, Electron-Deficient, Core-Extended Benzo-Fused Azadipyrromethene Derivatives ("MB-DIPY").
Zatsikha, Yuriy V.; Shamova, Liliya I.; Blesener, Tanner S.; Kuzmin, Ilya A.; Germanov, Yaroslaw V.; Herbert, David E.; Nemykin, Victor N.; The Journal of organic chemistry  (2019) –; doi:10.1021/acs.joc.9b02074

data_4033639
_publ_section_title
;
 Development of a Class of Easily Scalable, Electron-Deficient,
 Core-Extended Benzo-Fused Azadipyrromethene Derivatives
 (&quot;MB-DIPY&quot;).
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.9b02074
_journal_year                    2019
_chemical_formula_sum            'C18 H20 N2 O4'
_chemical_formula_weight         328.36
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2017/1
_cell_angle_alpha                90
_cell_angle_beta                 106.85(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.12(4)
_cell_length_b                   4.500(12)
_cell_length_c                   24.50(5)
_cell_measurement_reflns_used    392
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      19.99
_cell_measurement_theta_min      3.71
_cell_volume                     1595(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker D8 QUEST ECO CMOS'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation.monochromator  'TRIUMPH curved--crystal'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.2736
_diffrn_reflns_av_unetI/netI     0.2538
_diffrn_reflns_Laue_measured_fraction_full 0.987
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            7787
_diffrn_reflns_point_group_measured_fraction_full 0.987
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        24.844
_diffrn_reflns_theta_max         24.844
_diffrn_reflns_theta_min         3.713
_diffrn_source                   'fine-focus tube'
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  0.7451
_exptl_absorpt_correction_T_min  0.4059
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/5 (Bruker AXS Inc.)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.367
_exptl_crystal_description       rod
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.329
_refine_diff_density_min         -0.367
_refine_diff_density_rms         0.091
_refine_ls_extinction_coef       0.008(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2017/1 (Sheldrick 2017)'
_refine_ls_goodness_of_fit_ref   0.961
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         2736
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      0.968
_refine_ls_R_factor_all          0.2463
_refine_ls_R_factor_gt           0.0995
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1060P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1988
_refine_ls_wR_factor_ref         0.2576
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1078
_reflns_number_total             2736
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b02074_si_002.cif
_cod_data_source_block           3b
_cod_original_cell_volume        1596(7)
_cod_database_code               4033639
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.981
_shelx_estimated_absorpt_t_max   0.996
_shelx_res_checksum              38562
_shelx_hkl_checksum              67063