Synthesis and revision of stereochemistry of rubescensin S
Zhang, Mei; Zhang, Yangming; Lu, Wei; Nan, Fa-Jun; Organic & Biomolecular Chemistry 9 (2011) 4436–; doi:10.1039/c1ob05611e

data_7151900
_publ_section_title
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 Synthesis and revision of stereochemistry of rubescensin S
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_journal_issue                   12
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_page_first              4436
_journal_paper_doi               10.1039/c1ob05611e
_journal_volume                  9
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_sum            'C22 H32 O8'
_chemical_formula_weight         424.48
_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                 117.723(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.995(5)
_cell_length_b                   6.0828(12)
_cell_length_c                   14.322(3)
_cell_measurement_reflns_used    2195
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      55.282
_cell_measurement_theta_min      5.670
_cell_volume                     2081.8(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0598
_diffrn_reflns_av_sigmaI/netI    0.0507
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5755
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.83
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.49179
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.354
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.315
_exptl_crystal_size_mid          0.238
_exptl_crystal_size_min          0.104
_refine_diff_density_max         0.439
_refine_diff_density_min         -0.308
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   10(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.999
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     279
_refine_ls_number_reflns         2244
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.0670
_refine_ls_R_factor_gt           0.0610
_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^)+(0.1176P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1594
_refine_ls_wR_factor_ref         0.1647
_reflns_number_gt                1906
_reflns_number_total             2244
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ob05611e.txt
_cod_data_source_block           cd29614
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 
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_cod_original_sg_symbol_H-M      C2
_cod_database_code               7151900