Charge-Modulated Associates of Anionic Donors with Cationic π-Acceptors: Crystal Structures of Ternary Synthons Leading to Molecular Wires
Lu, Jianjiang; Kochi, Jay K.; Crystal Growth & Design 9 (2009) 291–; doi:10.1021/cg800465e

data_4508954
_publ_section_title
;
 Charge-Modulated Associates of Anionic Donors with Cationic \p-Acceptors:
 Crystal Structures of Ternary Synthons Leading to Molecular Wires
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              291
_journal_paper_doi               10.1021/cg800465e
_journal_volume                  9
_journal_year                    2009
_chemical_formula_moiety         'C8 H14 N2, 2(I)'
_chemical_formula_sum            'C8 H14 I2 N2'
_chemical_formula_weight         392.01
_space_group_IT_number           64
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-C 2ac 2'
_symmetry_space_group_name_H-M   'C m c e'
_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            4
_cell_length_a                   9.274(10)
_cell_length_b                   11.635(15)
_cell_length_c                   11.047(9)
_cell_measurement_temperature    173(2)
_cell_volume                     1192(2)
_computing_cell_refinement       'SAINT (Bruker, 2003)'
_computing_data_collection       'SMART (Bruker, 2003)'
_computing_data_reduction        'SAINT & SADABS (Bruker, 2003)'
_computing_molecular_graphics    'XP (Bruker, 1999)'
_computing_publication_material  'SHELXL, XCIF (Bruker, 1999)'
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2003)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device       'Bruker SMART'
_diffrn_measurement_method       'omega-scan, full sphere'
_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  0.0415
_diffrn_reflns_av_sigmaI/netI    0.0369
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            4295
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         30.50
_diffrn_reflns_theta_min         3.36
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    5.242
_exptl_absorpt_correction_T_max  0.7795
_exptl_absorpt_correction_T_min  0.7795
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2003)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.184
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.382
_refine_diff_density_min         -0.659
_refine_diff_density_rms         0.191
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     32
_refine_ls_number_reflns         930
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0438
_refine_ls_R_factor_gt           0.0324
_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^)+(0.0397P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0694
_refine_ls_wR_factor_ref         0.0762
_reflns_number_gt                770
_reflns_number_total             930
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg800465esup9.cif
_cod_data_source_block           H2TMP_I2
_cod_depositor_comments
;

2021-12-16
Space group name changed to comply with IUCR recomendations
                 miguel
;
_cod_original_sg_symbol_Hall     '-C 2bc 2'
_cod_original_sg_symbol_H-M      'c m c a'
_cod_database_code               4508954