Chermesins A-D: Meroterpenoids with a Drimane-Type Spirosesquiterpene Skeleton from the Marine Algal-Derived Endophytic Fungus Penicillium chermesinum EN-480.
Liu, Hui; Li, Xiao-Ming; Liu, Yang; Zhang, Peng; Wang, Jia-Ning; Wang, Bin-Gui; Journal of natural products 79 (2016) 806–811; doi:10.1021/acs.jnatprod.5b00893

data_1542908
_publ_section_title
;
 Chermesins A-D: Meroterpenoids with a Drimane-Type Spirosesquiterpene
 Skeleton from the Marine Algal-Derived Endophytic Fungus Penicillium
 chermesinum EN-480.
;
_journal_issue                   4
_journal_name_full               'Journal of natural products'
_journal_page_first              806
_journal_page_last               811
_journal_paper_doi               10.1021/acs.jnatprod.5b00893
_journal_volume                  79
_journal_year                    2016
_chemical_formula_sum            'C26 H38 O6'
_chemical_formula_weight         446.56
_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                   8.0099(5)
_cell_length_b                   8.5188(4)
_cell_length_c                   35.9835(18)
_cell_measurement_reflns_used    2440
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      71.4810
_cell_measurement_theta_min      3.6550
_cell_volume                     2455.3(2)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0193
_diffrn_reflns_av_sigmaI/netI    0.0346
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            5403
_diffrn_reflns_theta_full        66.29
_diffrn_reflns_theta_max         66.29
_diffrn_reflns_theta_min         4.92
_exptl_absorpt_coefficient_mu    0.682
_exptl_absorpt_correction_T_max  0.7721
_exptl_absorpt_correction_T_min  0.7489
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.208
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.44
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.154
_refine_diff_density_min         -0.138
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(3)
_refine_ls_extinction_coef       0.0094(5)
_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   1.045
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         3597
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0507
_refine_ls_R_factor_gt           0.0448
_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^)+(0.0603P)^2^+0.2740P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1163
_refine_ls_wR_factor_ref         0.1211
_reflns_number_gt                3205
_reflns_number_total             3597
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np5b00893_si_005.cif
_cod_data_source_block           150116e
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 1542905--1542908.cif.
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_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1542908