A short survey of bicyclic diamines – syntheses and properties of N,N'-bridged-1,10-diazabicyclooctadeca-5,14-diynes
von Hirschheydt, Thomas; Wolfart, Volker; Gleiter, Rolf; Irngartinger, Hermann; Oeser, Thomas; Rominger, Frank; Eisenträger, Frank; Journal of the Chemical Society, Perkin Transactions 2  (2000) 175–; doi:10.1039/a907609c

data_7203904
_publ_section_title
;
 A short survey of bicyclic diamines&#x200A;--&#x200A;syntheses and
 properties of N,N'-bridged-1,10-diazabicyclooctadeca-5,14-diynes
;
_journal_issue                   2
_journal_name_full
'Journal of the Chemical Society, Perkin Transactions 2'
_journal_page_first              175
_journal_paper_doi               10.1039/a907609c
_journal_year                    2000
_chemical_formula_sum            'C22 H32 N2'
_chemical_formula_weight         324.50
_chemical_name_systematic
; 
 1,10-Diazabicyclo[8.8.6]tetracosa-5,14,21-triyne (46) 
;
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.0
_cell_angle_beta                 98.82(2)
_cell_angle_gamma                90.0
_cell_formula_units_Z            4
_cell_length_a                   9.569(1)
_cell_length_b                   12.697(2)
_cell_length_c                   16.052(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      18.0
_cell_measurement_theta_min      10.1
_cell_volume                     1927.2(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  NONIUS_CAD4
_diffrn_measurement_method       \w2\q
_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  0.0247
_diffrn_reflns_av_sigmaI/netI    0.0459
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            4910
_diffrn_reflns_theta_full        27.97
_diffrn_reflns_theta_max         27.97
_diffrn_reflns_theta_min         2.05
_diffrn_standards_decay_%        10
_diffrn_standards_interval_count 100
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.065
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.118
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.194
_refine_diff_density_min         -0.180
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         4641
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.092
_refine_ls_R_factor_gt           0.039
_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^)+(0.0560P)^2^+0.1889P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.093
_refine_ls_wR_factor_ref         0.109
_reflns_number_gt                2962
_reflns_number_total             4641
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            a907609c.txt
_cod_data_source_block           765tri
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7203904