Enforced Face-to-Face Stacking of Organic Semiconductor Building Blocks within Hydrogen-Bonded Molecular Cocrystals
Anatoliy N. Sokolov; Tomislav Friščić; Leonard R. MacGillivray; Journal of the American Chemical Society 128 (2006) 2806–2807; doi:10.1021/ja057939a

data_4110439
_publ_contact_author             'MacGillivray, Leonard R.'
_publ_contact_author_email       len-macgillivray@uiowa.edu
_publ_section_title
;
 Enforced Face-to-Face Stacking of Organic Semiconductor Building Blocks
 within Hydrogen-Bonded Molecular Cocrystals
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2806
_journal_page_last               2807
_journal_paper_doi               10.1021/ja057939a
_journal_volume                  128
_journal_year                    2006
_chemical_formula_moiety         'C28 H16 N2'
_chemical_formula_sum            'C28 H16 N2'
_chemical_formula_weight         380.43
_chemical_name_systematic
;
        9,10-bis(4-pyridylethynyl)anthracene
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2005-10-25T23:39:34-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 97.055(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.0531(11)
_cell_length_b                   23.965(2)
_cell_length_c                   7.2633(7)
_cell_measurement_reflns_used    1781
_cell_measurement_temperature    190(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1.7
_cell_volume                     1909.4(3)
_computing_cell_refinement       'HKL Scalepack (otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo, Scalepack (otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL v6.1 (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL v6.1 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXTL v6.1 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXTL v6.1 (Sheldrick, 1997)'
_diffrn_ambient_temperature      190(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.98
_diffrn_measured_fraction_theta_max 0.98
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       ' CCD phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0214
_diffrn_reflns_av_unetI/netI     0.0255
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            7647
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         1.7
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange-yellow
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_description       needle
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.532
_refine_diff_density_min         -0.193
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         2161
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0644
_refine_ls_R_factor_gt           0.0541
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0784P)^2^+1.3539P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1504
_refine_ls_wR_factor_ref         0.1585
_reflns_number_gt                1781
_reflns_number_total             2161
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja057939a_si_3.cif
_cod_data_source_block           2
_cod_database_code               4110439