Crystal structure of 2-methylamino-4-(6-methyl-4-oxo-4<i>H</i>-chromen-3-yl)-3-nitropyrano[3,2-<i>c</i>]chromen-5(4<i>H</i>)-one with an unknown solvate
Raja, Rajamani; Kandhasamy, Subramani; Perumal, Paramasivam T.; SubbiahPandi, A.; Acta Crystallographica Section E 71 (2015) o645–o646; doi:10.1107/S2056989015014413

data_2240985
_publ_section_title
;
 Crystal structure of
 2-methylamino-4-(6-methyl-4-oxo-4<i>H</i>-chromen-3-yl)-3-nitropyrano[3,2-<i>c</i>]chromen-5(4<i>H</i>)-one
 with an unknown solvate
;
_journal_coeditor_code           SU5172
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o645
_journal_page_last               o646
_journal_paper_doi               10.1107/S2056989015014413
_journal_volume                  71
_journal_year                    2015
_chemical_formula_iupac          'C23 H16 N2 O7'
_chemical_formula_moiety         'C23 H16 N2 O7'
_chemical_formula_sum            'C23 H16 N2 O7'
_chemical_formula_weight         432.38
_chemical_name_systematic
2-Methylamino-4-(6-methyl-4-oxo-4<i>H</i>-chromen-3-yl)-3-nitropyrano[3,2-<i>c</i>]chromen-5(4<i>H</i>)-one
_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                68.5800(10)
_cell_angle_beta                 78.8770(10)
_cell_angle_gamma                76.5780(10)
_cell_formula_units_Z            2
_cell_length_a                   8.0828(2)
_cell_length_b                   11.2035(3)
_cell_length_c                   13.4718(3)
_cell_measurement_reflns_used    3371
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.98
_cell_volume                     1096.76(5)
_computing_cell_refinement
;
<i>SAINT</i> (Bruker, 2008)
;
_computing_data_collection
;
<i>APEX2</i> (Bruker, 2008)
;
_computing_data_reduction
;
<i>SAINT</i> (Bruker, 2008)
;
_computing_molecular_graphics
;
<i>ORTEP-3 for Windows</i> (Farrugia, 2012)
;
_computing_publication_material
;
<i>SHELXL97</i> (Sheldrick, 2008) and <i>PLATON</i> (Spek, 2009)
;
_computing_structure_refinement
;
SHELXL97 (Sheldrick, 2008)
;
_computing_structure_solution
;
SHELXS97 (Sheldrick, 2008)
;
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker SMART APEXII CCD'
_diffrn_measurement_method       '\w and \f 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  0.0150
_diffrn_reflns_av_sigmaI/netI    0.0135
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            15923
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  0.9757
_exptl_absorpt_correction_T_min  0.9663
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(<i>SADABS</i>; Bruker, 2008)
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.309
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.309
_refine_diff_density_min         -0.249
_refine_ls_extinction_coef       0.008(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method
;
SHELXL97 (Sheldrick, 2008)
;
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     295
_refine_ls_number_reflns         3843
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0491
_refine_ls_R_factor_gt           0.0444
_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^)+(0.0720P)^2^+0.4436P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1320
_refine_ls_wR_factor_ref         0.1357
_reflns_number_gt                3371
_reflns_number_total             3843
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            su5172sup1.cif
_cod_data_source_block           I
_cod_database_code               2240985
_cod_database_fobs_code          2240985