Crystal structure of 7β,14β,15β-trihydroxy-1α-acetoxy-7α,20-epoxy-ent-kaurane, C22H32O6
Lv, Jun; Ye, Jiang-Hai; Yang, Li-Yong; Zhao, Chen-Liang; Zhang, Jing-Jie; Pan, Lu-Tai; Zeitschrift für Kristallographie - New Crystal Structures 231 (2016) 893–894; doi:10.1515/ncrs-2015-0307

data_8107040
_publ_section_title
;
 Crystal structure of
 7\b,14\b,15\b-trihydroxy-1\a-acetoxy-7\a,20-epoxy-ent-kaurane, C22H32O6
;
_journal_issue                   3
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              893
_journal_page_last               894
_journal_paper_doi               10.1515/ncrs-2015-0307
_journal_volume                  231
_journal_year                    2016
_chemical_absolute_configuration unk
_chemical_formula_sum            'C22 H32 O6'
_chemical_formula_weight         392.48
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 92.703(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.111(3)
_cell_length_b                   9.535(3)
_cell_length_c                   11.331(4)
_cell_measurement_reflns_used    1690
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.80
_cell_volume                     983.3(6)
_computing_cell_refinement       'APEX2 (Bruker, 2003)'
_computing_data_collection       'APEX2 (Bruker, 2003)'
_computing_data_reduction        'SAINT (Bruker, 2003)'
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 2008)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'Bruker APEX II CCD Area Detector'
_diffrn_measurement_method       '\f and \w scan'
_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  0.0251
_diffrn_reflns_av_sigmaI/netI    0.0400
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5068
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.80
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9803
_exptl_absorpt_correction_T_min  0.9748
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick,2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.326
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.212
_refine_diff_density_min         -0.209
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1.0(12)
_refine_ls_extinction_coef       0.041(5)
_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   1.064
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     257
_refine_ls_number_reflns         3023
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0465
_refine_ls_R_factor_gt           0.0418
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0610P)^2^+0.1865P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1097
_refine_ls_wR_factor_ref         0.1152
_reflns_number_gt                2747
_reflns_number_total             3023
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            suppl_ncrs-2015-0307_suppl.cif
_cod_data_source_block           m
_cod_original_cell_volume        983.3(5)
_cod_original_sg_symbol_Hall     'P2yb '
_cod_original_sg_symbol_H-M      P21
_cod_database_code               8107040