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_7218287
_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         'C20 H13 F4 N3 O4'
_chemical_formula_sum            'C20 H13 F4 N3 O4'
_chemical_formula_weight         435.33
_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                112.78(3)
_cell_angle_beta                 93.81(3)
_cell_angle_gamma                105.56(3)
_cell_formula_units_Z            2
_cell_length_a                   7.5088(15)
_cell_length_b                   10.929(2)
_cell_length_c                   12.823(3)
_cell_measurement_reflns_used    3428
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.4815
_cell_measurement_theta_min      1.7550
_cell_volume                     917.3(5)
_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      100(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'MM007HF + CCD (Saturn724+)'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0399
_diffrn_reflns_av_sigmaI/netI    0.0434
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8119
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    0.138
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6406
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2008)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.576
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             444
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.370
_refine_diff_density_min         -0.281
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.085
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         4156
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0575
_refine_ls_R_factor_gt           0.0523
_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^)+(0.0554P)^2^+0.4981P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1245
_refine_ls_wR_factor_ref         0.1291
_reflns_number_gt                3814
_reflns_number_total             4156
_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        917.3(3)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7218287