Weak Interactions Dominating the Supramolecular Self-Assembly in a Salt: A Designed Single-Crystal-to-Single-Crystal Topochemical Polymerization of a Terminal Aryldiacetylene
Zhong Li; Frank W. Fowler; Joseph W. Lauher; Journal of the American Chemical Society 131 (2009) 634–643; doi:10.1021/ja806663h

data_4103763
_publ_section_title
;
 Weak Interactions Dominating the Supramolecular Self-Assembly in a Salt:
 A Designed Single-Crystal-to-Single-Crystal Topochemical Polymerization
 of a Terminal Aryldiacetylene
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              634
_journal_page_last               643
_journal_paper_doi               10.1021/ja806663h
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C24 H26 N4 O6'
_chemical_formula_weight         466.49
_chemical_name_common            (ethynylbenzylNH3)2og
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 101.774(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   4.943(2)
_cell_length_b                   23.463(9)
_cell_length_c                   10.699(4)
_cell_measurement_temperature    273(2)
_cell_volume                     1214.7(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.889
_diffrn_measured_fraction_theta_max 0.889
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.096
_diffrn_reflns_av_sigmaI/netI    0.1492
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            7557
_diffrn_reflns_theta_full        28.77
_diffrn_reflns_theta_max         28.77
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             492
_exptl_crystal_size_max          .6
_exptl_crystal_size_mid          .2
_exptl_crystal_size_min          .1
_refine_diff_density_max         0.366
_refine_diff_density_min         -0.337
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.720
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         2816
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.720
_refine_ls_R_factor_all          0.2736
_refine_ls_R_factor_gt           0.0792
_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^)+(0.1152P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1758
_refine_ls_wR_factor_ref         0.2584
_reflns_number_gt                655
_reflns_number_total             2816
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja806663h_si_010.cif
_cod_data_source_block           ethynylbenzylammonium
_cod_original_cell_volume        1214.8(8)
_cod_database_code               4103763