Cruciforms: Assembling Single Crystal Micro- and Nanostructures from One to Three Dimensions and Their Applications in Organic Field-Effect Transistors
Wang, Chengliang; Liu, Yaling; Ji, Zhuoyu; Wang, Erjing; Li, Rongjin; Jiang, Hui; Tang, Qingxin; Li, Hongxiang; Hu, Wenping; Chemistry of Materials 21 (2009) 2840–; doi:10.1021/cm900511g

data_4001024
_publ_section_title
;
 Cruciforms: Assembling Single Crystal Micro- and Nanostructures from One
 to Three Dimensions and Their Applications in Organic Field-Effect
 Transistors
;
_journal_issue                   13
_journal_name_full               'Chemistry of Materials'
_journal_page_first              2840
_journal_paper_doi               10.1021/cm900511g
_journal_volume                  21
_journal_year                    2009
_chemical_formula_moiety         'C30 H18'
_chemical_formula_sum            'C30 H18'
_chemical_formula_weight         378.44
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.72(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   22.866(5)
_cell_length_b                   5.3567(11)
_cell_length_c                   16.930(3)
_cell_measurement_reflns_used    10992
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.17
_cell_volume                     2043.9(7)
_computing_cell_refinement       'Rapid Auto(Rigaku 2001)'
_computing_data_collection       'Rapid Auto(Rigaku 2001)'
_computing_data_reduction        'Rapid Auto(Rigaku 2001)'
_computing_molecular_graphics    'XP in Siemens SHELXTL (Sheldrick, 1994)'
_computing_publication_material  'SHELX97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku raix Rapid IP Area Detector'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0377
_diffrn_reflns_av_sigmaI/netI    0.0481
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            3463
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.78
_exptl_absorpt_coefficient_mu    0.070
_exptl_absorpt_correction_T_max  0.9965
_exptl_absorpt_correction_T_min  0.9726
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR by T.Higashi    8 March, 1995'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.230
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.122
_refine_diff_density_min         -0.129
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         1901
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.1008
_refine_ls_R_factor_gt           0.0594
_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^)+(0.0578P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1235
_refine_ls_wR_factor_ref         0.1388
_reflns_number_gt                1267
_reflns_number_total             1901
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm900511g_si_002.cif
_cod_data_source_block           BPEA
_cod_original_cell_volume        2043.8(7)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4001024