2,10-Dihydroxy-13-methyl-13-azatetracyclo[9.3.1.0^2,10^.0^3,8^]pentadeca-3(8),4,6-triene-9,15-dione
Suresh, J.; Nithya, U. C.; Kumar, R. Suresh; Perumal, S.; Lakshman, P. L. Nilantha; Acta Crystallographica Section E 65 (2009) o1216–; doi:10.1107/S1600536809015785

data_2221958
_publ_section_title
2,10-Dihydroxy-13-methyl-13-azatetracyclo[9.3.1.0^2,10^.0^3,8^]pentadeca-3(8),4,6-triene-9,15-dione
_journal_coeditor_code           CI2789
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1216
_journal_paper_doi               10.1107/S1600536809015785
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          'C15 H15 N O4'
_chemical_formula_moiety         'C15 H15 N O4'
_chemical_formula_sum            'C15 H15 N O4'
_chemical_formula_weight         273.28
_chemical_name_systematic
;
2,10-Dihydroxy-13-methyl-13-azatetracyclo[9.3.1.0^2,10^.0^3,8^]pentadeca-
3(8),4,6-triene-9,15-dione
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                72.764(11)
_cell_angle_beta                 80.486(12)
_cell_angle_gamma                72.369(11)
_cell_formula_units_Z            2
_cell_length_a                   7.5616(7)
_cell_length_b                   8.9033(8)
_cell_length_c                   10.8091(11)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2
_cell_volume                     660.09(12)
_computing_cell_refinement       'CAD-4 EXPRESS (Enraf--Nonius, 1994)'
_computing_data_collection       'CAD-4 EXPRESS (Enraf--Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1996)'
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Nonius MACH-3'
_diffrn_measurement_method       \w-2\q
_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  0.0099
_diffrn_reflns_av_sigmaI/netI    0.0108
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            2890
_diffrn_reflns_theta_full        24.97
_diffrn_reflns_theta_max         24.97
_diffrn_reflns_theta_min         2.49
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.9890
_exptl_absorpt_correction_T_min  0.9821
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>,  1968)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.375
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             288
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.219
_refine_diff_density_min         -0.227
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.107
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     184
_refine_ls_number_reflns         2316
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.107
_refine_ls_R_factor_all          0.0427
_refine_ls_R_factor_gt           0.0370
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_max_lt       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^)+(0.0454P)^2^+0.1839P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0927
_refine_ls_wR_factor_ref         0.0969
_reflns_number_gt                2025
_reflns_number_total             2316
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2789.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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        660.09(11)
_cod_database_code               2221958
_cod_database_fobs_code          2221958