Crystal structure and Hirshfeld surface analysis of ethyl (4<i>R</i>,4a<i>S</i>)-2-methyl-5,8-dioxo-6-phenyl-4a,5,6,7,7a,8-hexahydro-4<i>H</i>-furo[2,3-<i>f</i>]isoindole-4-carboxylate
Zaytsev, Vladimir P.; Chervyakova, Lala V.; Sorokina, Elena A.; Vasilyev, Kirill A.; Çelikesir, Sevim Türktekin; Akkurt, Mehmet; Bhattarai, Ajaya; Acta Crystallographica Section E 77 (2021) 86–90; doi:10.1107/S2056989020016801

data_2243720
_publ_section_title
;
 Crystal structure and Hirshfeld surface analysis of ethyl
 (4<i>R</i>,4a<i>S</i>)-2-methyl-5,8-dioxo-6-phenyl-4a,5,6,7,7a,8-hexahydro-4<i>H</i>-furo[2,3-<i>f</i>]isoindole-4-carboxylate
;
_journal_coeditor_code           WM5592
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              86
_journal_page_last               90
_journal_paper_doi               10.1107/S2056989020016801
_journal_volume                  77
_journal_year                    2021
_chemical_formula_iupac          'C20 H19 N O5'
_chemical_formula_moiety         'C20 H19 N O5'
_chemical_formula_sum            'C20 H19 N O5'
_chemical_formula_weight         353.36
_chemical_name_systematic
;Ethyl
(4<i>R</i>,4a<i>S</i>)-2-methyl-5,8-dioxo-6-phenyl-4a,5,6,7,7a,8-hexahydro-4<i>H</i>-furo[2,3-<i>f</i>]isoindole-4-carboxylate
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                81.205(7)
_cell_angle_beta                 70.657(6)
_cell_angle_gamma                72.642(4)
_cell_formula_units_Z            2
_cell_length_a                   8.8100(18)
_cell_length_b                   9.9182(16)
_cell_length_c                   11.165(2)
_cell_measurement_reflns_used    9941
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      30.609
_cell_measurement_theta_min      2.547
_cell_volume                     877.0(3)
_computing_cell_refinement
;
SAINT (Bruker, 2014)
;
_computing_data_collection
;
APEX2 (Bruker, 2014)
;
_computing_data_reduction
;
SAINT (Bruker, 2014)
;
_computing_molecular_graphics
;
ORTEP-3 for Windows (Farrugia, 2012)
;
_computing_publication_material
;
PLATON (Spek, 2020)
;
_computing_structure_refinement
;
SHELXL (Sheldrick, 2015b)
;
_computing_structure_solution
;
SHELXT (Sheldrick, 2015a)
;
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0190
_diffrn_reflns_av_unetI/netI     0.0157
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            19857
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.583
_diffrn_reflns_theta_min         2.155
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6585
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(<i>SADABS</i>; Krause <i>et al.</i>, 2015)
;
_exptl_crystal_colour            'light beige'
_exptl_crystal_density_diffrn    1.338
_exptl_crystal_description       prism
_exptl_crystal_F_000             372
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.528
_refine_diff_density_min         -0.179
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         5332
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0491
_refine_ls_R_factor_gt           0.0435
_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^)+(0.0747P)^2^+0.2272P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1187
_refine_ls_wR_factor_ref         0.1250
_reflns_number_gt                4669
_reflns_number_total             5332
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            wm5592sup1.cif
_cod_data_source_block           I
_cod_database_code               2243720
_cod_database_fobs_code          2243720
_shelx_hkl_checksum              36526
_shelx_res_checksum              67933