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_4508946
_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, Cd Cl4'
_chemical_formula_sum            'C8 H14 Cd Cl4 N2'
_chemical_formula_weight         392.41
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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            4
_cell_length_a                   6.3661(9)
_cell_length_b                   14.371(2)
_cell_length_c                   15.157(2)
_cell_measurement_temperature    173(2)
_cell_volume                     1386.7(3)
_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 0.992
_diffrn_measured_fraction_theta_max 0.977
_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  0.0206
_diffrn_reflns_av_sigmaI/netI    0.0273
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            10756
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.51
_diffrn_reflns_theta_min         1.95
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    2.317
_exptl_absorpt_correction_T_max  0.7226
_exptl_absorpt_correction_T_min  0.6544
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.880
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.353
_refine_diff_density_min         -0.516
_refine_diff_density_rms         0.104
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     140
_refine_ls_number_reflns         4072
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0287
_refine_ls_R_factor_gt           0.0262
_refine_ls_shift/su_max          0.061
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0326P)^2^+0.0948P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0621
_refine_ls_wR_factor_ref         0.0642
_reflns_number_gt                3833
_reflns_number_total             4072
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg800465esup1.cif
_cod_data_source_block           H2TMP_CdCl4
_cod_original_cell_volume        1386.6(3)
_cod_database_code               4508946