Eplerenone tetrahydrofuran solvate
Qian Yang; Wei-Dong Ye; Jian-Yong Yuan; Jing-Jing Nie; Acta Crystallographica Section E 63 (2007) o2068–o2070; doi:10.1107/S1600536807014031

data_2213613
_publ_section_title
;
 Eplerenone tetrahydrofuran solvate
;
_journal_coeditor_code           XU2229
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2068
_journal_page_last               o2070
_journal_paper_doi               10.1107/S1600536807014031
_journal_volume                  63
_journal_year                    2007
_chemical_formula_moiety         'C24 H30 O6, C4 H8 O'
_chemical_formula_sum            'C28 H38 O7'
_chemical_formula_weight         486.58
_chemical_name_systematic
;
9\a,11-Epoxy-7\a-(methoxycarbonyl)-3-oxo-17\a-pregn-4-ene-21,17-carbolactone
;
_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                   8.2974(7)
_cell_length_b                   13.1968(11)
_cell_length_c                   23.3855(15)
_cell_measurement_reflns_used    3608
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      24.0
_cell_measurement_theta_min      3.0
_cell_volume                     2560.7(3)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       'PROCESS-AUTO (Rigaku, 1998)'
_computing_data_reduction        'CrystalStructure (Rigaku/MSC, 2002)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92 (Altomare <i>et al.</i>,  1993)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 10.0
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 1.00
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID IP'
_diffrn_measurement_method       \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  0.053
_diffrn_reflns_av_sigmaI/netI    0.031
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            24665
_diffrn_reflns_theta_full        27.4
_diffrn_reflns_theta_max         27.4
_diffrn_reflns_theta_min         3.0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.31
_refine_diff_density_min         -0.35
_refine_ls_extinction_coef       0.045(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         3304
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.108
_refine_ls_R_factor_gt           0.070
_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^)+(0.1455P)^2^+0.1324P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.187
_refine_ls_wR_factor_ref         0.229
_reflns_number_gt                2006
_reflns_number_total             3304
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            xu2229.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P21 21 21'
_cod_database_code               2213613
_cod_database_fobs_code          2213613