Diethyl 5,10-dihydro-6-iodo-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; Mei Xu; An-Xin Wu; Acta Crystallographica Section E 62 (2006) o2254–o2255; doi:10.1107/S1600536806016011

data_2209070
_publ_section_title
;Diethyl
 5,10-dihydro-6-iodo-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           AT2031
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2254
_journal_page_last               o2255
_journal_paper_doi               10.1107/S1600536806016011
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C20 H21 I N4 O7'
_chemical_formula_moiety         'C20 H21 I N4 O7'
_chemical_formula_sum            'C20 H21 I N4 O7'
_chemical_formula_weight         556.31
_chemical_name_systematic
;
Diethyl
5,10-dihydro-6-iodo-4,11-dioxo-cis-1H,3H,4H,11H-2-oxa-3a,4a,10a,11a-
tetraazazbenz[<i>f</i>]indeno[2,1,7-ija]azulene-11b,11c-dicarboxylate
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                   15.533(6)
_cell_length_b                   11.414(5)
_cell_length_c                   24.006(10)
_cell_measurement_reflns_used    4829
_cell_measurement_temperature    292(2)
_cell_measurement_theta_max      19.69
_cell_measurement_theta_min      2.37
_cell_volume                     4256(3)
_computing_cell_refinement       'SAINT-Plus (Bruker,  2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT-Plus
_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 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1343
_diffrn_reflns_av_sigmaI/netI    0.0746
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            46045
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    1.556
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.736
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2224
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.971
_refine_diff_density_min         -0.921
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.944
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     301
_refine_ls_number_reflns         4856
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.944
_refine_ls_R_factor_all          0.1024
_refine_ls_R_factor_gt           0.0592
_refine_ls_shift/su_max          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^)+(0.075P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1319
_refine_ls_wR_factor_ref         0.1481
_reflns_number_gt                2978
_reflns_number_total             4856
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            at2031.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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 'Orthorhombic' changed to
'orthorhombic' 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_database_code               2209070
_cod_database_fobs_code          2209070