Dolabranes from the Chinese Mangrove,Ceriops tagal
Hu, Wei-Min; Li, Min-Yi; Li, Jun; Xiao, Qiang; Feng, Gang; Wu, Jun; Journal of Natural Products 73 (2010) 1701–; doi:10.1021/np100484w

data_1502812
_publ_section_title
;
 Dolabranes from the Chinese Mangrove,Ceriops tagal
;
_journal_issue                   10
_journal_name_full               'Journal of Natural Products'
_journal_page_first              1701
_journal_paper_doi               10.1021/np100484w
_journal_volume                  73
_journal_year                    2010
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C18 H28 O3'
_chemical_formula_sum            'C18 H28 O3'
_chemical_formula_weight         292.40
_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            8
_cell_length_a                   7.6054(3)
_cell_length_b                   10.8888(4)
_cell_length_c                   38.7397(15)
_cell_measurement_reflns_used    9520
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      26.95
_cell_measurement_theta_min      2.15
_cell_volume                     3208.2(2)
_computing_cell_refinement       'SAINT-PLUS (Bruker, 2003)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT-PLUS
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2005)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker AXS SMART 1000 CCD diffractometer'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0267
_diffrn_reflns_av_sigmaI/netI    0.0233
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       49
_diffrn_reflns_limit_l_min       -44
_diffrn_reflns_number            16359
_diffrn_reflns_theta_full        27.03
_diffrn_reflns_theta_max         27.03
_diffrn_reflns_theta_min         1.05
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9771
_exptl_absorpt_correction_T_min  0.9640
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2004)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.211
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1280
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.29
_refine_diff_density_max         0.271
_refine_diff_density_min         -0.198
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     391
_refine_ls_number_reflns         3984
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0427
_refine_ls_R_factor_gt           0.0385
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0565P)^2^+0.9159P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0953
_refine_ls_wR_factor_ref         0.1018
_reflns_number_gt                3682
_reflns_number_total             3984
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np100484w_si_002.cif
_cod_data_source_block           Tagalsin_P
_cod_depositor_comments
;
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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1502812