11,20-Dihydroxy-3-oxopregna-1,4-dien-21-oic acid monohydrate
Guo, Zhanqiang; Tang, Shengan; Duan, Hongquan; Acta Crystallographica Section E 67 (2011) o1290–; doi:10.1107/S1600536811015224

data_2230220
_publ_section_title
;
 11,20-Dihydroxy-3-oxopregna-1,4-dien-21-oic acid monohydrate
;
_journal_coeditor_code           BH2337
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1290
_journal_paper_doi               10.1107/S1600536811015224
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C21 H28 O5, H2 O'
_chemical_formula_moiety         'C21 H28 O5, H2 O'
_chemical_formula_sum            'C21 H30 O6'
_chemical_formula_weight         378.45
_chemical_name_systematic
;
11,20-Dihydroxy-3-oxopregna-1,4-dien-21-oic acid monohydrate
;
_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                   11.801(2)
_cell_length_b                   12.526(3)
_cell_length_c                   12.884(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      22.49
_cell_measurement_theta_min      4.14
_cell_volume                     1904.5(7)
_computing_cell_refinement       'CrystalClear (Rigaku, 2005)'
_computing_data_collection       'CrystalClear (Rigaku, 2005)'
_computing_data_reduction        'CrystalClear (Rigaku, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku Saturn CCD area=detector'
_diffrn_measurement_method       '\w and \f'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0457
_diffrn_reflns_av_sigmaI/netI    0.0286
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13023
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.27
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.9905
_exptl_absorpt_correction_T_min  0.9811
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.320
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.224
_refine_diff_density_min         -0.175
_refine_ls_extinction_coef       0.026(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     232
_refine_ls_number_reflns         1922
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0381
_refine_ls_R_factor_gt           0.0350
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0589P)^2^+0.0073P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0830
_refine_ls_wR_factor_ref         0.0853
_reflns_number_gt                1809
_reflns_number_total             1922
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bh2337.cif
_cod_data_source_block           I
_cod_database_code               2230220
_cod_database_fobs_code          2230220