The crystal structure of 2-[(R)-1-(naphthalen-1-yl)ethyl]-2,3,7,7a-tetrahydro-3a,6-epoxyisoindol-1(6H)-one, C19H20NO2
Geng, Yi-Ding; Gong, Yi-Xia; Zhou, Shu-Jing; Wang, Gui-Yan; Zeitschrift für Kristallographie - New Crystal Structures 236 (2021) 857–859; doi:10.1515/ncrs-2021-0131

data_8104734
_publ_section_title
;
 The crystal structure of
 2-[(R)-1-(naphthalen-1-yl)ethyl]-2,3,7,7a-tetrahydro-3a,6-epoxyisoindol-1(6H)-one,
 C19H20NO2
;
_journal_issue                   4
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              857
_journal_page_last               859
_journal_paper_doi               10.1515/ncrs-2021-0131
_journal_volume                  236
_journal_year                    2021
_chemical_formula_sum            'C20 H19 N O2'
_chemical_formula_weight         305.36
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 97.7400(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.6936(4)
_cell_length_b                   8.8892(6)
_cell_length_c                   13.2577(8)
_cell_measurement_reflns_used    3734
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      29.09
_cell_measurement_theta_min      1.55
_cell_volume                     781.66(8)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.963
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0163
_diffrn_reflns_av_unetI/netI     0.0268
_diffrn_reflns_Laue_measured_fraction_full 0.989
_diffrn_reflns_Laue_measured_fraction_max 0.963
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6683
_diffrn_reflns_point_group_measured_fraction_full 0.928
_diffrn_reflns_point_group_measured_fraction_max 0.887
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.092
_diffrn_reflns_theta_min         5.188
_exptl_absorpt_coefficient_mu    0.084
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_description       blocked
_exptl_crystal_F_000             324
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.192
_refine_diff_density_min         -0.131
_refine_diff_density_rms         0.027
_refine_ls_abs_structure_details
;
 Flack x determined using 1158 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.1(5)
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.070
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3711
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0473
_refine_ls_R_factor_gt           0.0387
_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^)+(0.0100P)^2^+0.1400P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0707
_refine_ls_wR_factor_ref         0.0741
_reflns_Friedel_coverage         0.734
_reflns_Friedel_fraction_full    0.857
_reflns_Friedel_fraction_max     0.800
_reflns_number_gt                3176
_reflns_number_total             3711
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            suppl_j_ncrs-2021-0131_suppl.cif
_cod_data_source_block           d2
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               8104734