5-(1<i>H</i>-Indol-3-ylmethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
He, Yu-Xin; Wu, Jin-Wei; Tong, Rong-Sheng; Li, Jin-Qi; Shi, Jian-You; Acta Crystallographica Section E 67 (2011) o1835–; doi:10.1107/S1600536811023944

data_2230970
_publ_section_title
;
 5-(1<i>H</i>-Indol-3-ylmethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
;
_journal_coeditor_code           ZS2118
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1835
_journal_paper_doi               10.1107/S1600536811023944
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C15 H13 N O4'
_chemical_formula_moiety         'C15 H13 N O4'
_chemical_formula_sum            'C15 H13 N O4'
_chemical_formula_weight         271.26
_chemical_name_systematic
;
5-(1<i>H</i>-Indol-3-ylmethylidene)-2,2-dimethyl-1,3-dioxane-4,6-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
_cell_angle_alpha                80.281(6)
_cell_angle_beta                 76.362(6)
_cell_angle_gamma                70.662(5)
_cell_formula_units_Z            2
_cell_length_a                   7.0228(4)
_cell_length_b                   8.7021(5)
_cell_length_c                   11.5668(9)
_cell_measurement_reflns_used    2300
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      29.2284
_cell_measurement_theta_min      2.9322
_cell_volume                     645.01(8)
_computing_cell_refinement       'CrysAlis PRO (Oxford Diffraction, 2010)'
_computing_data_collection       'CrysAlis PRO (Oxford Diffraction, 2010)'
_computing_data_reduction        'CrysAlis PRO (Oxford Diffraction, 2010)'
_computing_molecular_graphics    'OLEX2 (Dolomanov <i>et al.</i>, 2009)'
_computing_publication_material  'OLEX2 (Dolomanov <i>et al.</i>, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150.0
_diffrn_detector_area_resol_mean 16.0874
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur Eos CCD-detector'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0179
_diffrn_reflns_av_sigmaI/netI    0.0351
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5351
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.94
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.9686
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrysAlis PRO; Oxford Diffraction, 2010)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.397
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             284
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.210
_refine_diff_density_min         -0.200
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     183
_refine_ls_number_reflns         2632
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0543
_refine_ls_R_factor_gt           0.0405
_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^)+(0.0388P)^2^+0.1554P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0913
_refine_ls_wR_factor_ref         0.0990
_reflns_number_gt                2098
_reflns_number_total             2632
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            zs2118.cif
_cod_data_source_block           I
_cod_original_cell_volume        645.02(7)
_cod_database_code               2230970
_cod_database_fobs_code          2230970