Chemical constituents of a marine fungus, Arthrinium sacchari.
Tsukada, Mariko; Fukai, Miyuki; Miki, Kazuhiko; Shiraishi, Takeshi; Suzuki, Toshihiro; Nishio, Kazuto; Sugita, Takashi; Ishino, Masahiro; Kinoshita, Kaoru; Takahashi, Kunio; Shiro, Motoo; Koyama, Kiyotaka; Journal of natural products 74 (2011) 1645–1649; doi:10.1021/np200108h

data_1501823
_publ_section_title
;
 Chemical constituents of a marine fungus, Arthrinium sacchari.
;
_journal_issue                   7
_journal_name_full               'Journal of natural products'
_journal_page_first              1645
_journal_page_last               1649
_journal_paper_doi               10.1021/np200108h
_journal_volume                  74
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C20 H26 O4'
_chemical_formula_sum            'C20 H26 O4'
_chemical_formula_weight         330.42
_chemical_melting_point          234.5(15)
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_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
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   11.3885(3)
_cell_length_b                   11.8068(5)
_cell_length_c                   12.5872(9)
_cell_measurement_reflns_used    5103
_cell_measurement_temperature    153
_cell_measurement_theta_max      70.20
_cell_measurement_theta_min      5.13
_cell_volume                     1692.50(15)
_computing_cell_refinement       'PROCESS-AUTO (Rigaku, 1998)'
_computing_data_collection       'PROCESS-AUTO (Rigaku, 1998)'
_computing_data_reduction        'CrystalStructure (Rigaku & RAC 2007)'
_computing_molecular_graphics    'ORTEP (Johnson, 1976)'
_computing_publication_material  'CrystalStructure (Rigaku & RAC 2007)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      153
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0411
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            19799
_diffrn_reflns_theta_full        68.24
_diffrn_reflns_theta_max         68.24
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.718
_exptl_absorpt_correction_T_max  0.972
_exptl_absorpt_correction_T_min  0.783
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             712.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.350
_refine_diff_density_min         -0.180
_refine_ls_abs_structure_details
'Flack, H. D. (1983), Acta Cryst. A39, 876-881.  1309 Friedel Pairs'
_refine_ls_abs_structure_Flack   0.08(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.117
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     222
_refine_ls_number_reflns         3091
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0415
_refine_ls_shift/su_max          0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0698P)^2^+0.1091P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1015
_reflns_number_gt                3015
_reflns_number_total             3091
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            np200108h_si_003.cif
_cod_data_source_block           Libertellenone_F
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '233-236' was changed to '234.5(15)'
- the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1692.49(15)
_cod_database_code               1501823