Evaluation of the pharmacophoric motif of the caged Garcinia xanthones
Chantarasriwong, Oraphin; Cho, Woo Cheal; Batova, Ayse; Chavasiri, Warinthorn; Moore, Curtis; Rheingold, Arnold L.; Theodorakis, Emmanuel A.; Organic & Biomolecular Chemistry 7 (2009) 4886–4894; doi:10.1039/b913496d

data_7150769
_publ_section_title
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 Evaluation of the pharmacophoric motif of the caged Garcinia xanthones
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_journal_issue                   23
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_page_first              4886
_journal_page_last               4894
_journal_paper_doi               10.1039/b913496d
_journal_volume                  7
_journal_year                    2009
_chemical_formula_sum            'C19 H24 O4'
_chemical_formula_weight         316.38
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   7.6777(4)
_cell_length_b                   12.8146(8)
_cell_length_c                   33.0175(18)
_cell_measurement_reflns_used    5283
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      68.24
_cell_measurement_theta_min      6.36
_cell_volume                     3248.5(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_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      100(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0579
_diffrn_reflns_av_sigmaI/netI    0.0347
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            14719
_diffrn_reflns_theta_full        55.00
_diffrn_reflns_theta_max         68.23
_diffrn_reflns_theta_min         6.36
_exptl_absorpt_coefficient_mu    0.724
_exptl_absorpt_correction_T_max  0.9444
_exptl_absorpt_correction_T_min  0.7508
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.294
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1360
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.303
_refine_diff_density_min         -0.164
_refine_diff_density_rms         0.041
_refine_ls_extinction_coef       0.00068(13)
_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   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     213
_refine_ls_number_reflns         2918
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0593
_refine_ls_R_factor_gt           0.0396
_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^)+(0.0510P)^2^+1.3421P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0951
_refine_ls_wR_factor_ref         0.1051
_reflns_number_gt                2268
_reflns_number_total             2918
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b913496d.txt
_cod_data_source_block           theod31
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 1527 2010-12-29 10:47:43Z saulius 
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_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7150769