Dipentyl 2,6-diaminobenzo[1,2-<i>b</i>:4,5-<i>b</i>']difuran-3,7-dicarboxylate
Roviello, Giuseppina; Borbone, Fabio; Carella, Antonio; Roviello, Giovanni N.; Tuzi, Angela; Acta Crystallographica Section E 69 (2013) o1526–o1527; doi:10.1107/S160053681302480X

data_2238609
_publ_section_title
;
 Dipentyl
 2,6-diaminobenzo[1,2-<i>b</i>:4,5-<i>b</i>']difuran-3,7-dicarboxylate
;
_journal_coeditor_code           DS2234
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1526
_journal_page_last               o1527
_journal_paper_doi               10.1107/S160053681302480X
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          'C22 H28 N2 O6'
_chemical_formula_moiety         'C22 H28 N2 O6'
_chemical_formula_sum            'C22 H28 N2 O6'
_chemical_formula_weight         416.46
_chemical_name_systematic
;
Dipentyl 2,6-diaminobenzo[1,2-<i>b</i>:4,5-<i>b</i>']difuran-3,7-dicarboxylate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 98.98(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.2670(10)
_cell_length_b                   7.9940(10)
_cell_length_c                   17.582(3)
_cell_measurement_reflns_used    75
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      16.939
_cell_measurement_theta_min      3.106
_cell_volume                     1147.7(3)
_computing_cell_refinement       'DIRAX/LSQ (Duisenberg <i>et al.</i>, 2000)'
_computing_data_collection       '<i>COLLECT</i> (Nonius, 1999)'
_computing_data_reduction
;
EvalCCD (Duisenberg <i>et al.</i>,  2003)
;
_computing_molecular_graphics
;
ORTEP-3 for Windows (Farrugia, 2012) and
<i>Mercury</i> (Macrae <i>et al.</i>, 2006)
;
_computing_publication_material
;
WinGX (Farrugia, 2012)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare <i>et al.</i>, 1999)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Bruker--Nonius KappaCCD'
_diffrn_measurement_method
;
CCD rotation images, thick slices
;
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0955
_diffrn_reflns_av_sigmaI/netI    0.1314
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            11093
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         3.15
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.9991
_exptl_absorpt_correction_T_min  0.9573
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(SADABS; Bruker, 2001)
;
_exptl_crystal_colour            grey
_exptl_crystal_density_diffrn    1.205
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             444
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.192
_refine_diff_density_min         -0.204
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.931
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     142
_refine_ls_number_reflns         2626
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.931
_refine_ls_R_factor_all          0.1598
_refine_ls_R_factor_gt           0.0548
_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^)+(0.0610P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1065
_refine_ls_wR_factor_ref         0.1343
_reflns_number_gt                1258
_reflns_number_total             2626
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            ds2234.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2238609