3β-Acetoxy-17-ethylenedioxyandrost-5-ene
Ye-Ming Xu; Shi-Gui Tang; Yi-Xin Zhou; Shan Liu; Cheng Guo; Acta Crystallographica Section E 63 (2007) o3980–o3980; doi:10.1107/S160053680703944X

data_2215537
_publ_section_title
;
 3\b-Acetoxy-17-ethylenedioxyandrost-5-ene
;
_journal_coeditor_code           HK2310
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o3980
_journal_page_last               o3980
_journal_paper_doi               10.1107/S160053680703944X
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C23 H34 O4'
_chemical_formula_moiety         'C23 H34 O4'
_chemical_formula_sum            'C23 H34 O4'
_chemical_formula_weight         374.50
_chemical_name_systematic
;
3\b-Acetoxy-17-ethylenedioxyandrost-5-ene
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_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                 99.04(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.197(2)
_cell_length_b                   7.5370(15)
_cell_length_c                   27.143(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      12
_cell_measurement_theta_min      9
_cell_volume                     2060.2(7)
_computing_cell_refinement       'CAD-4 Software (Enraf--Nonius, 1985)'
_computing_data_collection       'CAD-4 Software (Enraf--Nonius, 1985)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2000)'
_computing_publication_material  'SHELXTL (Bruker, 2000)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       \w/2\q
_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  0.0651
_diffrn_reflns_av_sigmaI/netI    0.0512
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2324
_diffrn_reflns_theta_full        25.98
_diffrn_reflns_theta_max         25.98
_diffrn_reflns_theta_min         1.52
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9901
_exptl_absorpt_correction_T_min  0.9755
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>,  1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.207
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.480
_refine_diff_density_min         -0.331
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         2189
_refine_ls_number_restraints     62
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.1108
_refine_ls_R_factor_gt           0.0783
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.06P)^2^+5P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1779
_refine_ls_wR_factor_ref         0.1985
_reflns_number_gt                1420
_reflns_number_total             2189
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hk2310.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'C 2'
_cod_database_code               2215537
_cod_database_fobs_code          2215537