Crystal structure of (<i>R</i>)-5-[(<i>R</i>)-3-(4-chlorophenyl)-5-methyl-4,5-dihydroisoxazol-5-yl]-2-methylcyclohex-2-enone
Oubella, Ali; Ait Itto, My Youssef; Auhmani, Aziz; Riahi, Abdelkhalek; Daran, Jean-Claude; Auhmani, Abdelwahed; Acta Crystallographica Section E 76 (2020) 400–403; doi:10.1107/S2056989020001991

data_2243288
_publ_section_title
;
 Crystal structure of
 (<i>R</i>)-5-[(<i>R</i>)-3-(4-chlorophenyl)-5-methyl-4,5-dihydroisoxazol-5-yl]-2-methylcyclohex-2-enone
;
_journal_coeditor_code           IS5530
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              400
_journal_page_last               403
_journal_paper_doi               10.1107/S2056989020001991
_journal_volume                  76
_journal_year                    2020
_chemical_absolute_configuration ad
_chemical_formula_iupac          'C17 H18 Cl N O2'
_chemical_formula_moiety         'C17 H18 Cl N O2'
_chemical_formula_sum            'C17 H18 Cl N O2'
_chemical_formula_weight         303.77
_chemical_name_systematic
(<i>R</i>)-5-[(<i>R</i>)-3-(4-Chlorophenyl)-5-methyl-4,5-dihydroisoxazol-5-yl]-2-methylcyclohex-2-enone
_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   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.4590(2)
_cell_length_b                   7.3545(3)
_cell_length_c                   31.3436(12)
_cell_measurement_reflns_used    5113
_cell_measurement_temperature    105(2)
_cell_measurement_theta_max      27.91
_cell_measurement_theta_min      2.84
_cell_volume                     1488.91(10)
_computing_cell_refinement
;
SAINT (Bruker, 2015)
;
_computing_data_collection
;
APEX2 (Bruker, 2015)
;
_computing_data_reduction
;
SAINT (Bruker, 2015)
;
_computing_molecular_graphics
;
ORTEP-3 for Windows (Farrugia, 2012)
;
_computing_publication_material
;
SHELXL2016 (Sheldrick, 2015<i>b</i>)
;
_computing_structure_refinement
;
SHELXL2016 (Sheldrick, 2015<i>b</i>)
;
_computing_structure_solution
;
<i>SHELXT</i> (Sheldrick, 2015<i>a</i>)
;
_diffrn_ambient_temperature      105(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'micro-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0567
_diffrn_reflns_av_unetI/netI     0.0375
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            16529
_diffrn_reflns_theta_full        26.366
_diffrn_reflns_theta_max         26.366
_diffrn_reflns_theta_min         1.299
_exptl_absorpt_coefficient_mu    0.260
_exptl_absorpt_correction_T_max  0.7464
_exptl_absorpt_correction_T_min  0.6939
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2015)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.355
_exptl_crystal_description       box
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.398
_refine_diff_density_min         -0.233
_refine_ls_abs_structure_details
;
Flack <i>x</i> determined using 1100 quotients
[(<i>I</i>^+^)-(<i>I</i>^-^)]/[(<i>I</i>^+^)+(<i>I</i>^-^)]
(Parsons <i>et al.</i>, 2013)
;
_refine_ls_abs_structure_Flack   -0.09(4)
_refine_ls_extinction_coef       0.014(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method
;
SHELXL2016 (Sheldrick, 2015<i>b</i>)
;
_refine_ls_goodness_of_fit_ref   1.193
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         3019
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.193
_refine_ls_R_factor_all          0.0389
_refine_ls_R_factor_gt           0.0352
_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^)+(0.0600P)^2^+0.1370P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1015
_refine_ls_wR_factor_ref         0.1050
_reflns_number_gt                2827
_reflns_number_total             3019
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            is5530sup1.cif
_cod_data_source_block           I
_cod_database_code               2243288
_cod_database_fobs_code          2243288
_shelx_hkl_checksum              61492
_shelx_res_checksum              40759