<i>N</i>-[(1a<i>R</i>,5a<i>R</i>,8<i>R</i>,9a<i>R</i>)-1,1-Dichloro-1a,5,5,7-tetramethyl-1a,2,3,4,5,5a,8,9-octahydro-1<i>H</i>-benzo[<i>a</i>]cyclopropa[<i>b</i>][7]annulen-8-yl]acetamide
Benharref, Ahmed; El Ammari, Lahcen; Saadi, Mohamed; Taourirte, Moha; Oukhrib, Abdelouahd; Berraho, Moha; IUCrData 2 (2017) x170492–; doi:10.1107/S2414314617004928

data_1546695
_publ_section_title
;
 <i>N</i>-[(1a<i>R</i>,5a<i>R</i>,8<i>R</i>,9a<i>R</i>)-1,1-Dichloro-1a,5,5,7-tetramethyl-1a,2,3,4,5,5a,8,9-octahydro-1<i>H</i>-benzo[<i>a</i>]cyclopropa[<i>b</i>][7]annulen-8-yl]acetamide
;
_journal_issue                   4
_journal_name_full               IUCrData
_journal_page_first              x170492
_journal_paper_doi               10.1107/S2414314617004928
_journal_volume                  2
_journal_year                    2017
_chemical_formula_iupac          'C18 H27 Cl2 N O'
_chemical_formula_moiety         'C18 H27 Cl2 N O'
_chemical_formula_sum            'C18 H27 Cl2 N O'
_chemical_formula_weight         344.30
_chemical_name_systematic
<i>N</i>-[(1a<i>R</i>,5a<i>R</i>,8<i>R</i>,9a<i>R</i>)-1,1-Dichloro-1a,5,5,7-tetramethyl-1a,2,3,4,5,5a,8,9-octahydro-1<i>H</i>-benzo[<i>a</i>]cyclopropa[<i>b</i>][7]annulen-8-yl]acetamide
_space_group_crystal_system      hexagonal
_space_group_IT_number           169
_space_group_name_Hall           'P 61'
_space_group_name_H-M_alt        'P 61'
_symmetry_space_group_name_Hall  'P 61'
_symmetry_space_group_name_H-M   'P 61'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   10.5372(4)
_cell_length_b                   10.5372(4)
_cell_length_c                   29.9710(11)
_cell_measurement_reflns_used    3934
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.4
_cell_measurement_theta_min      2.3
_cell_volume                     2881.92(19)
_computing_cell_refinement
;
SAINT (Bruker, 2009)
;
_computing_data_collection
;
APEX2 (Bruker, 2009)
;
_computing_data_reduction
;
SAINT (Bruker, 2009)
;
_computing_molecular_graphics
;
Mercury (Macrae <i>et al.</i>,  2008)
;
_computing_publication_material
;
<i>SHELXL2014/7</i> (Sheldrick, 2015b) and publCIF (Westrip,
2010)
;
_computing_structure_refinement
;
<i>SHELXL2014/7</i> (Sheldrick, 2015b)
;
_computing_structure_solution
;
<i>SHELXT2014/7</i> (Sheldrick, 2015a)
;
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker X8 APEX Diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0419
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            53780
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.369
_diffrn_reflns_theta_min         2.333
_exptl_absorpt_coefficient_mu    0.340
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.6659
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2009)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.190
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.454
_refine_diff_density_min         -0.215
_refine_ls_abs_structure_details
;
Flack <i>x</i> determined using 1571 quotients
[(<i>I</i>^+^)-(<i>I</i>^-^)]/[(<i>I</i>^+^)+(<i>I</i>^-^)]
(Parsons <i>et al.</i>,  2013)
;
_refine_ls_abs_structure_Flack   0.020(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     204
_refine_ls_number_reflns         3934
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0464
_refine_ls_R_factor_gt           0.0392
_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^)+(0.0665P)^2^+0.3403P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1016
_refine_ls_wR_factor_ref         0.1086
_reflns_number_gt                3513
_reflns_number_total             3934
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            su4144sup1.cif
_cod_data_source_block           I
_cod_original_cell_volume        2881.9(2)
_cod_database_code               1546695
_cod_database_fobs_code          1546695
_shelx_hkl_checksum              50136
_shelx_res_checksum              53072