(4a<i>S</i>,6c<i>S</i>)-8-Hydroxy-9-isopropyl-4,4,6c-trimethyl-1,2,3,4,4a,5,6,6c-octahydrophenanthren-3-one
Zeroual, Abdellah; Mazoir, Noureddine; Maya, Celia M.; Berraho, Moha; Auhmani, Aziz; Benharref, Ahmed; Acta Crystallographica Section E 63 (2007) o2915–o2915; doi:10.1107/S1600536807022258

data_2213765
_publ_section_title
(4a<i>S</i>,6c<i>S</i>)-8-Hydroxy-9-isopropyl-4,4,6c-trimethyl-1,2,3,4,4a,5,6,6c-octahydrophenanthren-3-one
_journal_coeditor_code           FJ2021
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2915
_journal_page_last               o2915
_journal_paper_doi               10.1107/S1600536807022258
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C20 H28 O2'
_chemical_formula_moiety         'C20 H28 O2'
_chemical_formula_sum            'C20 H28 O2'
_chemical_formula_weight         300.42
_chemical_name_systematic
;
(4aS,6cS)-8-Hydroxy-9-isopropyl-4,4,6c-trimethyl-1,2,3,4,4a,5,6,6c-
octahydrophenanthren-3-one
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5554(3)
_cell_length_b                   13.3987(6)
_cell_length_c                   16.7825(6)
_cell_measurement_reflns_used    7546
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      30.54
_cell_measurement_theta_min      2.86
_cell_volume                     1698.94(12)
_computing_cell_refinement       'SAINT-Plus (Bruker, 2004)'
_computing_data_collection       'APEX-W2K-NT (Bruker, 2004)'
_computing_data_reduction        SAINT-Plus
_computing_molecular_graphics
'ORTEP-3 for Windows (Farrugia,1997) and PLATON (Spek, 2003)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Bruker X8 APEX CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0285
_diffrn_reflns_av_sigmaI/netI    0.0155
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            26366
_diffrn_reflns_theta_full        30.54
_diffrn_reflns_theta_max         30.54
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.175
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.509
_refine_diff_density_min         -0.392
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     187
_refine_ls_number_reflns         2891
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0422
_refine_ls_R_factor_gt           0.0375
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0575P)^2^+0.4523P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1005
_refine_ls_wR_factor_ref         0.1054
_reflns_number_gt                2669
_reflns_number_total             2891
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fj2021.cif
_cod_data_source_block           I
_cod_database_code               2213765
_cod_database_fobs_code          2213765