Diethyl 5,10-dihydro-6-phenylethynyl-4,11-dioxo-<i>cis</i>-1<i>H</i>,3<i>H</i>,4<i>H</i>,11<i>H</i>-2-oxa-3a,4a,10a,11a-tetraazabenz[<i>f</i>]indeno[2,1,7-<i>ija</i>]azulene-11b,11c-dicarboxylate
Yun-Feng Chen; Yan-Fang Cui; Acta Crystallographica Section E 62 (2006) o4872–o4873; doi:10.1107/S1600536806040256

data_2211200
_publ_section_title
;Diethyl
 5,10-dihydro-6-phenylethynyl-4,11-dioxo-<i>cis</i>-1<i>H</i>,3<i>H</i>,4<i>H</i>,11<i>H</i>-2-oxa-3a,4a,10a,11a-tetraazabenz[<i>f</i>]indeno[2,1,7-<i>ija</i>]azulene-11b,11c-dicarboxylate
;
_journal_coeditor_code           SJ2132
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o4872
_journal_page_last               o4873
_journal_paper_doi               10.1107/S1600536806040256
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C28 H26 N4 O7'
_chemical_formula_moiety         'C28 H26 N4 O7'
_chemical_formula_sum            'C28 H26 N4 O7'
_chemical_formula_weight         530.53
_chemical_name_systematic
;
Diethyl
5,10-dihydro-6-phenylethynyl-4,11-dioxo-<i>cis</i>-1<i>H</i>,3<i>H</i>,\
4<i>H</i>,11<i>H</i>-2-oxa-
3a,4a,10<i>a</i>,11<i>a</i>-tetraazabenz[<i>f</i>]indeno[2,1,7-ija]azulene-\
11b,11c-dicarboxylate
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 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            8
_cell_length_a                   15.8491(18)
_cell_length_b                   9.4801(11)
_cell_length_c                   34.707(4)
_cell_measurement_reflns_used    5345
_cell_measurement_temperature    292(2)
_cell_measurement_theta_max      22.43
_cell_measurement_theta_min      2.23
_cell_volume                     5214.8(10)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  PLATON
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      292(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker 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  0.0372
_diffrn_reflns_av_sigmaI/netI    0.0299
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            43854
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.17
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular fragment'
_exptl_crystal_F_000             2224
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.280
_refine_diff_density_min         -0.283
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     727
_refine_ls_number_reflns         6494
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0753
_refine_ls_R_factor_gt           0.0487
_refine_ls_shift/su_max          <0.001
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0890P)^2^+0.1756P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1271
_refine_ls_wR_factor_ref         0.1462
_reflns_number_gt                4574
_reflns_number_total             6494
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sj2132.cif
_cod_data_source_block           I
_cod_original_cell_volume        5214.7(10)
_cod_database_code               2211200
_cod_database_fobs_code          2211200