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_1542906
_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            'C24 H34 O3'
_chemical_formula_weight         370.51
_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                   8.4475(7)
_cell_length_b                   10.3954(9)
_cell_length_c                   24.175(2)
_cell_measurement_reflns_used    756
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      68.4110
_cell_measurement_theta_min      6.3970
_cell_volume                     2122.9(3)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0418
_diffrn_reflns_av_sigmaI/netI    0.0795
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            4566
_diffrn_reflns_theta_full        66.17
_diffrn_reflns_theta_max         66.17
_diffrn_reflns_theta_min         3.66
_exptl_absorpt_coefficient_mu    0.583
_exptl_absorpt_correction_T_max  0.9549
_exptl_absorpt_correction_T_min  0.7878
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.159
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.161
_refine_diff_density_min         -0.143
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(5)
_refine_ls_extinction_coef       0.0029(2)
_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   1.009
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         3072
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.1024
_refine_ls_R_factor_gt           0.0589
_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^)+(0.0371P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1085
_refine_ls_wR_factor_ref         0.1332
_reflns_number_gt                1880
_reflns_number_total             3072
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np5b00893_si_003.cif
_cod_data_source_block           150318a
_cod_depositor_comments
;
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.
;
_cod_original_cell_volume        2123.0(3)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1542906