17-Oxo-5α-androst-6-en-3β-yl acetate
Paixão, J. I. F.; Salvador, J. A. R.; Paixão, J. A.; Beja, A. M.; Ramos Silva, M.; Gonsalves, A. M. d'A. R.; Acta Crystallographica Section C 60 (2004) o72–o74; doi:10.1107/S0108270103026933

data_2013817
_publ_section_title
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 17-Oxo-5\a-androst-6-en-3\b-yl acetate
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_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o72
_journal_page_last               o74
_journal_paper_doi               10.1107/S0108270103026933
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C21 H30 O3'
_chemical_formula_moiety         'C21 H30 O3'
_chemical_formula_sum            'C21 H30 O3'
_chemical_formula_weight         330.45
_chemical_melting_point          416.0(5)
_chemical_name_systematic
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17-Oxo-5\a-androst-6-en-3\b-yl acetate
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_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
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.6847(17)
_cell_length_b                   9.2934(17)
_cell_length_c                   16.266(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      18.56
_cell_measurement_theta_min      5.30
_cell_volume                     1917.5(6)
_computing_cell_refinement       'CAD-4 Software'
_computing_data_collection       'CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'HELENA (Spek, 1997)'
_computing_molecular_graphics    'ORTEPII (Johnson, 1976)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4'
_diffrn_measurement_method       'profile data from \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  0.047
_diffrn_reflns_av_sigmaI/netI    0.045
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            4760
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.50
_diffrn_standards_decay_%        1.9
_diffrn_standards_interval_time  180
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  0.988
_exptl_absorpt_correction_T_min  0.941
_exptl_absorpt_correction_type   '\y scan'
_exptl_absorpt_process_details   'North et al. (1968)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.145
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.12
_refine_diff_density_min         -0.13
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         2485
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.129
_refine_ls_R_factor_gt           0.044
_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^)+(0.0599P)^2^+0.1192P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.103
_refine_ls_wR_factor_ref         0.130
_reflns_number_gt                1252
_reflns_number_total             2485
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            na1627.cif
_cod_data_source_block           I
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_database_code               2013817
_cod_database_fobs_code          2013817