Cyclic bipyridine glycosides from the marine-derived actinomycete Actinoalloteichus cyanogriseus WH1-2216-6.
Fu, Peng; Liu, Peipei; Li, Xia; Wang, Yi; Wang, Shuxia; Hong, Kui; Zhu, Weiming; Organic letters 13 (2011) 5948–5951; doi:10.1021/ol202245s

data_1502502
_publ_section_title
;
 Cyclic bipyridine glycosides from the marine-derived actinomycete
 Actinoalloteichus cyanogriseus WH1-2216-6.
;
_journal_issue                   22
_journal_name_full               'Organic letters'
_journal_page_first              5948
_journal_page_last               5951
_journal_paper_doi               10.1021/ol202245s
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C19 H21 N3 O7'
_chemical_formula_weight         403.39
_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                   7.2572(9)
_cell_length_b                   10.3636(12)
_cell_length_c                   25.073(3)
_cell_measurement_reflns_used    2836
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      23.063
_cell_measurement_theta_min      2.437
_cell_volume                     1885.8(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0310
_diffrn_reflns_av_sigmaI/netI    0.0413
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            8612
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_T_max  0.9731
_exptl_absorpt_correction_T_min  0.9481
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.421
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.176
_refine_diff_density_min         -0.214
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1.5(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     265
_refine_ls_number_reflns         3329
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0641
_refine_ls_R_factor_gt           0.0380
_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^)+(0.0418P)^2^+0.2355P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0799
_refine_ls_wR_factor_ref         0.0938
_reflns_number_gt                2445
_reflns_number_total             3329
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol202245s_si_004.cif
_cod_data_source_block           090603g
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1885.7(4)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1502502