Crystal engineering of molecules with through-space α-effect hydrogen bonds: 3a,6:7,9a-diepoxybenzo[de]isoquinolines possessing a free amino group
Antonova, Alexandra S.; Nikitina, Eugeniya V.; Valchuk, karine S.; Grigoriev , Mikhail; Gomila, Rosa Maria; Frontera, Antonio; Zubkov, Fedor Ivanovich; CrystEngComm  (2022) –; doi:10.1039/D2CE00903J

data_7245295
_publ_section_title
;
 Crystal engineering of molecules with through-space \a-effect hydrogen
 bonds: 3a,6:7,9a-diepoxybenzo[de]isoquinolines possessing a free amino
 group
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D2CE00903J
_journal_year                    2022
_chemical_formula_sum            'C20 H18 N2 O4'
_chemical_formula_weight         350.36
_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'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-06-28 deposited with the CCDC.	2022-07-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.807(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.4849(10)
_cell_length_b                   8.8446(9)
_cell_length_c                   19.102(2)
_cell_measurement_reflns_used    4161
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.67
_cell_measurement_theta_min      3.15
_cell_volume                     1594.2(3)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type
'Bruker KAPPA APEX II area-detector diffractometer'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1114
_diffrn_reflns_av_unetI/netI     0.0609
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            44419
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.495
_diffrn_reflns_theta_min         3.404
_exptl_absorpt_coefficient_mu    0.103
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.460
_exptl_crystal_description       plate
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.140
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.475
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         3653
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.1071
_refine_ls_R_factor_gt           0.0530
_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^)+(0.0512P)^2^+0.9440P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1082
_refine_ls_wR_factor_ref         0.1296
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2295
_reflns_number_total             3653
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ce00903j2.cif
_cod_data_source_block           FM
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7245295
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.986
_shelx_estimated_absorpt_t_max   0.996
_shelx_res_checksum              76053