Ethyl 11a,12-Dihydrobenzo[b]benzo[5,6][1,4]oxazino[2,3-e][1,4]oxazine-5a(6H)-carboxylate
Konstantinova, Lidia S.; Tolmachev, Mikhail A.; Popov, Vadim V.; Rakitin, Oleg A.; Molbank 2020 (2020) M1149–; doi:10.3390/M1149

data_1558802
_publ_section_title
;
 Ethyl
 11a,12-Dihydrobenzo[b]benzo[5,6][1,4]oxazino[2,3-e][1,4]oxazine-5a(6H)-carboxylate
;
_journal_issue                   3
_journal_name_full               Molbank
_journal_page_first              M1149
_journal_paper_doi               10.3390/M1149
_journal_volume                  2020
_journal_year                    2020
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C17 H16 N2 O4'
_chemical_formula_sum            'C17 H16 N2 O4'
_chemical_formula_weight         312.32
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.5972(2)
_cell_length_b                   15.0183(6)
_cell_length_c                   16.7717(6)
_cell_measurement_reflns_used    9978
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      33.13
_cell_measurement_theta_min      2.71
_cell_volume                     1409.84(9)
_computing_cell_refinement       'SAINT (Bruker, 2018)'
_computing_data_collection       '<i>APEX3</i> (Bruker, 2018)'
_computing_data_reduction        'SAINT (Bruker, 2018)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2018)'
_computing_publication_material  'SHELXTL (Bruker, 2018)'
_computing_structure_refinement
;
SHELXL-2018 (Sheldrick, Acta Cryst., 2015, C71, 3-8)
;
_computing_structure_solution
;
SHELXS-2013 (Sheldrick, Acta Cryst., 2015, A71, 3-8)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker AXS D8 QUEST, Photon III detector'
_diffrn_measurement_method       '\f and \w shutterless scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0477
_diffrn_reflns_av_unetI/netI     0.0321
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            34967
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         33.155
_diffrn_reflns_theta_min         2.712
_diffrn_source                   'fine-focus sealed X-Ray tube'
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_T_max  0.8499
_exptl_absorpt_correction_T_min  0.8299
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.471
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.59
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.384
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details
;
 Flack x determined using 1879 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.2(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         5372
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0423
_refine_ls_R_factor_gt           0.0345
_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^)+(0.0543P)^2^+0.1101P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0855
_refine_ls_wR_factor_ref         0.0914
_reflns_Friedel_coverage         0.748
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.996
_reflns_number_gt                4805
_reflns_number_total             5372
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            s5.cif
_cod_data_source_block           TMA11
_cod_database_code               1558802
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.940
_shelx_estimated_absorpt_t_max   0.990
_shelx_res_checksum              2229
_shelx_hkl_checksum              43056