Penipyridones A-F, Pyridone Alkaloids from Penicillium funiculosum.
Zhou, Haibo; Li, Liyuan; Wu, Chongming; Kurtán, Tibor; Mándi, Attila; Liu, Yankai; Gu, Qianqun; Zhu, Tianjiao; Guo, Peng; Li, Dehai; Journal of natural products 79 (2016) 1783–1790; doi:10.1021/acs.jnatprod.6b00218

data_1553293
_publ_section_title
;
 Penipyridones A-F, Pyridone Alkaloids from Penicillium funiculosum.
;
_journal_issue                   7
_journal_name_full               'Journal of natural products'
_journal_page_first              1783
_journal_page_last               1790
_journal_paper_doi               10.1021/acs.jnatprod.6b00218
_journal_volume                  79
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_sum            'C13 H12 N2 O3'
_chemical_formula_weight         244.25
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.52010(10)
_cell_length_b                   7.23180(10)
_cell_length_c                   24.7168(4)
_cell_measurement_reflns_used    7587
_cell_measurement_temperature    290(2)
_cell_measurement_theta_max      71.7976
_cell_measurement_theta_min      5.3646
_cell_volume                     1165.45(3)
_computing_cell_refinement       'CrysAlisPro (Agilent Technologies)'
_computing_data_collection       'CrysAlisPro (Agilent Technologies)'
_computing_data_reduction        'CrysAlisPro (Agilent Technologies)'
_computing_molecular_graphics    'Ortep-3 (L. J. Farrugia, 2001)'
_computing_publication_material  SHELXL-2013
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      290(2)
_diffrn_detector_area_resol_mean 15.9149
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Gemini S Ultra, Agilent Technologies'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0198
_diffrn_reflns_av_unetI/netI     0.0156
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            9502
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         71.942
_diffrn_reflns_theta_min         6.377
_diffrn_source                   'Enhance Ultra (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.836
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.71765
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.392
_exptl_crystal_description       block
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.360
_exptl_crystal_size_mid          0.320
_exptl_crystal_size_min          0.300
_refine_diff_density_max         0.164
_refine_diff_density_min         -0.141
_refine_diff_density_rms         0.031
_refine_ls_abs_structure_details
;
 Flack x determined using 884 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.03(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     164
_refine_ls_number_reflns         2246
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0300
_refine_ls_R_factor_gt           0.0298
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0504P)^2^+0.1317P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0817
_refine_ls_wR_factor_ref         0.0818
_reflns_Friedel_coverage         0.669
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.978
_reflns_number_gt                2220
_reflns_number_total             2246
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            np6b00218_si_002.cif
_cod_data_source_block           shelxl
_cod_database_code               1553293
_shelx_estimated_absorpt_t_min   0.753
_shelx_estimated_absorpt_t_max   0.788
_shelxl_version_number           2013-4
_shelx_res_checksum              48882
_shelx_hkl_checksum              85992