Metal-free 1,3-dipolar cycloaddition polymerization via prearrangement of azide and alkyne in the solid state
Meng, Xiao; Chen, Hao; Xu, Shu; Ma, Yuguo; CrystEngComm 16 (2014) 9983–; doi:10.1039/C4CE01690D

data_7218284
_publ_section_title
;
 Metal-free 1,3-dipolar cycloaddition polymerization via prearrangement of
 azide and alkyne in the solid state
;
_journal_issue                   43
_journal_name_full               CrystEngComm
_journal_page_first              9983
_journal_paper_doi               10.1039/C4CE01690D
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C18 H9 F4 N3 O4'
_chemical_formula_sum            'C18 H9 F4 N3 O4'
_chemical_formula_weight         407.28
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                61.83(3)
_cell_angle_beta                 86.14(3)
_cell_angle_gamma                76.85(3)
_cell_formula_units_Z            2
_cell_length_a                   7.1325(14)
_cell_length_b                   11.657(2)
_cell_length_c                   11.979(2)
_cell_measurement_reflns_used    2703
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4294
_cell_measurement_theta_min      1.9305
_cell_volume                     854.0(4)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics
;
 Mercury: visualization and analysis of crystal structures, C. F. Macrae,
 P. R. Edgington, P. McCabe, E. Pidcock, G. P. Shields, R. Taylor,
 M. Towler and J. van de Streek, J. Appl. Cryst., 39, 453-457, 2006.
;
_computing_publication_material  'SHELX-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELX-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELX-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_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  0.0653
_diffrn_reflns_av_sigmaI/netI    0.0610
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            6665
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.18
_exptl_absorpt_coefficient_mu    0.142
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.4090
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2008)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.584
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             412
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.570
_refine_diff_density_min         -0.416
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.155
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         2983
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.155
_refine_ls_R_factor_all          0.1244
_refine_ls_R_factor_gt           0.1067
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1458P)^2^+0.6436P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2711
_refine_ls_wR_factor_ref         0.2900
_reflns_number_gt                2370
_reflns_number_total             2983
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01690d2.cif
_cod_data_source_block           a
_cod_depositor_comments
'Adding full bibliography for 7218284--7218287.cif.'
_cod_original_cell_volume        854.1(3)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7218284