Metal-Free, Regioselective Diyne Polycyclotrimerization: Synthesis, Photoluminescence, Solvatochromism, and Two-Photon Absorption of a Triphenylamine-Containing Hyperbranched Poly(aroylarylene)
Qin, Anjun; Lam, Jacky W. Y.; Dong, Hongchen; Lu, Weixin; Jim, Cathy K. W.; Dong, Yongqiang; Häussler, Matthias; Sung, Herman H. Y.; Williams, Ian D.; Wong, George K. L.; Tang, Ben Zhong; Macromolecules 40 (2007) 4879–; doi:10.1021/ma070200w

data_1505131
_publ_section_title
;
 Metal-Free, Regioselective Diyne Polycyclotrimerization:&#x00A0;
 Synthesis, Photoluminescence, Solvatochromism, and Two-Photon Absorption
 of a Triphenylamine-Containing Hyperbranched Poly(aroylarylene)
;
_journal_issue                   14
_journal_name_full               Macromolecules
_journal_page_first              4879
_journal_paper_doi               10.1021/ma070200w
_journal_volume                  40
_journal_year                    2007
_chemical_formula_sum            'C21 H15 N O'
_chemical_formula_weight         297.34
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 95.448(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.3215(15)
_cell_length_b                   10.6382(11)
_cell_length_c                   9.4347(9)
_cell_measurement_reflns_used    2555
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.76
_cell_measurement_theta_min      2.33
_cell_volume                     1530.8(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.965
_diffrn_measured_fraction_theta_max 0.958
_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  0.0262
_diffrn_reflns_av_sigmaI/netI    0.0331
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            8952
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.33
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.86
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       bar
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.218
_refine_diff_density_min         -0.211
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         3197
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0519
_refine_ls_R_factor_gt           0.0357
_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^)+(0.0510P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0853
_refine_ls_wR_factor_ref         0.0907
_reflns_number_gt                2493
_reflns_number_total             3197
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ma070200wsi20070427_063443.cif
_cod_data_source_block           tang59
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1505131