Chemical and biological studies of nakiterpiosin and nakiterpiosinone.
Gao, Shuanhu; Wang, Qiaoling; Huang, Lily Jun-Shen; Lum, Lawrence; Chen, Chuo; Journal of the American Chemical Society 132 (2010) 371–383; doi:10.1021/ja908626k

data_4101656
_publ_section_title
;
 Chemical and biological studies of nakiterpiosin and nakiterpiosinone.
;
_journal_issue                   1
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              371
_journal_page_last               383
_journal_paper_doi               10.1021/ja908626k
_journal_volume                  132
_journal_year                    2010
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C27 H29 O7 Cl2 Br, C4 H8 O2'
_chemical_formula_sum            'C31 H37 Br Cl2 O9'
_chemical_formula_weight         704.42
_chemical_name_systematic
;
 ?
;
_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                   7.5973(6)
_cell_length_b                   12.6018(10)
_cell_length_c                   34.196(2)
_cell_measurement_reflns_used    3125
_cell_measurement_temperature    163(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      3.0
_cell_volume                     3273.9(4)
_computing_cell_refinement       'Collect software, Nonius B.V. 1998'
_computing_data_collection       'Collect software, Nonius B.V. 1998'
_computing_data_reduction
;
DENZO and Scalepack (Otwinoski and Minor, 1997)
;
_computing_molecular_graphics    'XP SHELXTL/PC, Siemens Analytical'
_computing_structure_refinement  'XL SHELXTL/PC, Siemens Analytical'
_computing_structure_solution
;

SIR97 - Altomare A., Burla M.C., Camalli M., Cascarano G.L., Giacovazzo C., 
Guagliardi A., Moliterni A.G.G., Polidori G.,Spagna R.
;
_diffrn_ambient_temperature      163(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71074
_diffrn_reflns_av_R_equivalents  0.1620
_diffrn_reflns_av_sigmaI/netI    0.1585
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            23560
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.93
_exptl_absorpt_coefficient_mu    1.470
_exptl_absorpt_correction_T_max  0.943
_exptl_absorpt_correction_T_min  0.631
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
N.W. Alcock (1970). Cryst. Computing, p271
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.429
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       laths
_exptl_crystal_F_000             1456
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.984
_refine_diff_density_min         -0.614
_refine_diff_density_rms         0.130
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.03(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.464
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     394
_refine_ls_number_reflns         5583
_refine_ls_number_restraints     240
_refine_ls_restrained_S_all      1.455
_refine_ls_R_factor_all          0.1841
_refine_ls_R_factor_gt           0.1098
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0277P)^2^+11.7871P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2106
_refine_ls_wR_factor_ref         0.2289
_reflns_number_gt                3359
_reflns_number_total             5583
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja908626k_si_003.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1673 2011-04-08 12:14:43Z adriana 
;
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               4101656