17-Allyl-16,17a-dioxo-17-aza-<small>D</small>-homoestra-1,3,5(10)-trien-3-yl acetate
Hema, R.; Parthasarathi, V.; Ranju Bansal; Linden, Anthony; Acta Crystallographica Section E 61 (2005) o160–o162; doi:10.1107/S1600536804033173

data_2204885
_publ_section_title
;
 17-Allyl-16,17a-dioxo-17-aza-<small>D</small>-homoestra-1,3,5(10)-trien-3-yl
 acetate
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o160
_journal_page_last               o162
_journal_paper_doi               10.1107/S1600536804033173
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C23 H27 N O4'
_chemical_formula_moiety         'C23 H27 N O4'
_chemical_formula_sum            'C23 H27 N O4'
_chemical_formula_weight         381.46
_chemical_name_systematic
;
17-allyl-16,17a-dioxo-17-aza-D-homoestra-1,3,5(10)-trien-3-yl acetate
;
_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           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.3546(2)
_cell_length_b                   10.7074(2)
_cell_length_c                   19.9204(5)
_cell_measurement_reflns_used    2614
_cell_measurement_temperature    160(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.00
_cell_volume                     1995.30(8)
_computing_cell_refinement       'DENZO--SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2000)'
_computing_data_reduction
'DENZO-SMN and SCALEPACK (Otwinowski &  Minor, 1997)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1999)'
_computing_publication_material  'SHELXL97 and PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'PLEASE PROVIDE'
_diffrn_ambient_temperature      160(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Nonius KappaCCD area-detector'
_diffrn_measurement_method       '\f and \w scans with \k offsets'
_diffrn_radiation_monochromator  'horizontally mounted graphite crystal'
_diffrn_radiation_source         'Nonius FR590 sealed tube generator'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.068
_diffrn_reflns_av_sigmaI/netI    0.0452
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            30780
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.41
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tablet
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.252
_refine_diff_density_min         -0.206
_refine_ls_extinction_coef       0.012(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         2591
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0662
_refine_ls_R_factor_gt           0.0467
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0731P)^2^+0.1695P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1138
_refine_ls_wR_factor_ref         0.1279
_reflns_number_gt                2063
_reflns_number_total             2596
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fl6136.cif
_cod_data_source_block           I
_cod_database_code               2204885
_cod_database_fobs_code          2204885