2,5,11,14-Tetraoxa-8-azadispiro[13.4.0]nonadeca-15,17,19-triene
Gan, Quanying; Yang, Liping; Guo, Peng; Yang, Jin; Duan, Zhongyu; Acta Crystallographica Section E 66 (2010) o1128–; doi:10.1107/S1600536810013929

data_2225840
_publ_section_title
;
 2,5,11,14-Tetraoxa-8-azadispiro[13.4.0]nonadeca-15,17,19-triene
;
_journal_coeditor_code           FK2017
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1128
_journal_paper_doi               10.1107/S1600536810013929
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C14 H21 N O4'
_chemical_formula_moiety         'C14 H21 N O4'
_chemical_formula_sum            'C14 H21 N O4'
_chemical_formula_weight         267.32
_chemical_name_systematic
;
2,5,11,14-Tetraoxa-8-azadispiro[13.4.0]nonadeca-15,17,19-triene
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_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                 105.417(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.771(7)
_cell_length_b                   8.662(5)
_cell_length_c                   15.961(10)
_cell_measurement_reflns_used    936
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      22.37
_cell_measurement_theta_min      2.64
_cell_volume                     1435.6(15)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008) and local programs'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area-detector'
_diffrn_measurement_method       '\f and \w 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  0.0433
_diffrn_reflns_av_sigmaI/netI    0.0531
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            7411
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         1.32
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.987
_exptl_absorpt_correction_T_min  0.951
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.237
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.427
_refine_diff_density_min         -0.195
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         2717
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0979
_refine_ls_R_factor_gt           0.0649
_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^)+(0.1029P)^2^+0.0778P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1494
_refine_ls_wR_factor_ref         0.1750
_reflns_number_gt                1848
_reflns_number_total             2717
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fk2017.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2225840
_cod_database_fobs_code          2225840