1,3-Dipolar cycloaddition of alkynes to azides. Construction of operationally functional metal responsive fluorophores.
Schweinfurth, David; Hardcastle, Kenneth I; Bunz, Uwe H F; Chemical communications (Cambridge, England)  (2008) 2203–2205; doi:10.1039/b800284c

data_7103117
_publ_section_title
;
 1,3-Dipolar cycloaddition of alkynes to azides. Construction of
 operationally functional metal responsive fluorophores.
;
_journal_issue                   19
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              2203
_journal_page_last               2205
_journal_paper_doi               10.1039/b800284c
_journal_year                    2008
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C17 H18 N4 O'
_chemical_formula_sum            'C17 H18 N4 O'
_chemical_formula_weight         294.35
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 93.701(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.6887(6)
_cell_length_b                   7.2477(4)
_cell_length_c                   17.9172(8)
_cell_measurement_reflns_used    5400
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      64.38
_cell_measurement_theta_min      2.47
_cell_volume                     1514.71(13)
_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      173(2)
_diffrn_measured_fraction_theta_full 0.874
_diffrn_measured_fraction_theta_max 0.875
_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           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0162
_diffrn_reflns_av_sigmaI/netI    0.0180
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8665
_diffrn_reflns_theta_full        64.58
_diffrn_reflns_theta_max         64.58
_diffrn_reflns_theta_min         2.47
_exptl_absorpt_coefficient_mu    0.670
_exptl_absorpt_correction_T_max  0.9802
_exptl_absorpt_correction_T_min  0.7755
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2.10, Sheldrick 2003'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.291
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.084
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.11(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     399
_refine_ls_number_reflns         3519
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0283
_refine_ls_R_factor_gt           0.0272
_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^)+(0.0500P)^2^+0.1000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0733
_refine_ls_wR_factor_ref         0.0742
_reflns_number_gt                3404
_reflns_number_total             3519
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b800284c.txt
_cod_data_source_block           ds_2s
_cod_depositor_comments
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The following automatic conversions were performed:
'_chemical_absolute_configuration' value 'AD' changed to 'ad' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

'_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7103117