Weakly Bonded Molecular Networks Built from Tetranitro and Tetracyanospirobifluorenes
Eric Demers; Thierry Maris; Janie Cabana; Jean-Hugues Fournier; James D. Wuest; Cryst. Growth & Design 5 (2005) 1237–1245; doi:10.1021/cg049590t

data_4500075
_publ_section_title
;
 Weakly Bonded Molecular Networks Built from Tetranitro and
 Tetracyanospirobifluorenes
;
_journal_name_full               'Cryst. Growth & Design'
_journal_page_first              1237
_journal_page_last               1245
_journal_paper_doi               10.1021/cg049590t
_journal_volume                  5
_journal_year                    2005
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_moiety         'C25 H12 N4 O8, 1.5(C4 H8 O2) '
_chemical_formula_sum            'C31 H24 N4 O11'
_chemical_formula_weight         628.54
_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                85.288(2)
_cell_angle_beta                 88.006(2)
_cell_angle_gamma                70.332(2)
_cell_formula_units_Z            2
_cell_length_a                   8.7222(2)
_cell_length_b                   10.4838(2)
_cell_length_c                   16.7599(4)
_cell_measurement_reflns_used    8979
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      69.96
_cell_measurement_theta_min      2.65
_cell_volume                     1438.22(6)
_computing_cell_refinement       'SMART (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'UdMX (local program)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      223(2)
_diffrn_detector_area_resol_mean 5.5
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'Bruker AXS Smart 2K/Platform'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Sealed Tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.032
_diffrn_reflns_av_sigmaI/netI    0.0313
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            17189
_diffrn_reflns_theta_full        70.03
_diffrn_reflns_theta_max         70.03
_diffrn_reflns_theta_min         2.65
_diffrn_standards_decay_%        -0.14
_diffrn_standards_number         121
_exptl_absorpt_coefficient_mu    0.951
_exptl_absorpt_correction_T_max  0.7300
_exptl_absorpt_correction_T_min  0.6700
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick,1996)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.451
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             652
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.378
_refine_diff_density_min         -0.337
_refine_diff_density_rms         0.061
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         5304
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0692
_refine_ls_R_factor_gt           0.0616
_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^)+(0.1197P)^2^+0.3489P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1794
_refine_ls_wR_factor_ref         0.1879
_reflns_number_gt                4514
_reflns_number_total             5304
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            deposit.cif
_cod_data_source_block           jiw788
_cod_original_cell_volume        1438.23(6)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4500075