Four-fold click reactions: Generation of tetrahedral methane- and adamantane-based building blocks for higher-order molecular assemblies
Plietzsch, Oliver; Schilling, Christine Inge; Tolev, Mariyan; Nieger, Martin; Richert, Clemens; Muller, Thierry; Bräse, Stefan; Organic & Biomolecular Chemistry 7 (2009) 4734–4743; doi:10.1039/b912189g

data_7150753
_publ_section_title
;
 Four-fold click reactions: Generation of tetrahedral methane- and
 adamantane-based building blocks for higher-order molecular assemblies
;
_journal_issue                   22
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_page_first              4734
_journal_page_last               4743
_journal_paper_doi               10.1039/b912189g
_journal_volume                  7
_journal_year                    2009
_chemical_formula_moiety         'C25 H16 N12'
_chemical_formula_sum            'C25 H16 N12'
_chemical_formula_weight         484.50
_chemical_name_common            Tetrakis(4-azidophenyl)methane
_chemical_name_systematic
;
Tetrakis(4-azidophenyl)methane
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 111.37(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.728(1)
_cell_length_b                   7.137(1)
_cell_length_c                   18.265(1)
_cell_measurement_reflns_used    62
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      1
_cell_volume                     2273.5(4)
_computing_cell_refinement       'EVALCCD (Duisenberg et al., 2003)'
_computing_data_collection       'Collect (Nonius, 1998)'
_computing_data_reduction        'EVALCCD (Duisenberg et al., 2003)'
_computing_molecular_graphics    XP
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD'
_diffrn_measurement_method       'rotation in phi and omega, 2 deg.'
_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  0.0460
_diffrn_reflns_av_sigmaI/netI    0.0626
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            8191
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.08
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.416
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rods
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.287
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         2578
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0935
_refine_ls_R_factor_gt           0.0510
_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^)+(0.0482P)^2^+1.3862P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1006
_refine_ls_wR_factor_ref         0.1161
_reflns_number_gt                1710
_reflns_number_total             2578
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b912189g.txt
_cod_data_source_block           sb091_hy_compound_7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7150753