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_7203901
_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            'C26 H44 N2'
_chemical_formula_weight         384.63
_chemical_name_systematic
;

 (42)

;
_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                90.00
_cell_angle_beta                 91.5310(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.80340(10)
_cell_length_b                   11.9812(2)
_cell_length_c                   20.9007(3)
_cell_measurement_temperature    200(2)
_cell_volume                     2454.05(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      200(2)
_diffrn_measured_fraction_theta_full 0.923
_diffrn_measured_fraction_theta_max 0.923
_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           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0216
_diffrn_reflns_av_sigmaI/netI    0.0212
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            17751
_diffrn_reflns_theta_full        25.56
_diffrn_reflns_theta_max         25.56
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    0.060
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.73
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Blessing, Acta Cryst. (1995) A51 33-38.'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.041
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       polyhedron
_exptl_crystal_F_000             856
_exptl_crystal_size_max          .35
_exptl_crystal_size_mid          .34
_exptl_crystal_size_min          .32
_refine_diff_density_max         0.268
_refine_diff_density_min         -0.163
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     429
_refine_ls_number_reflns         4249
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0544
_refine_ls_R_factor_gt           0.0403
_refine_ls_shift/su_max          0.082
_refine_ls_shift/su_mean         0.009
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0570P)^2^+0.5015P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1002
_refine_ls_wR_factor_ref         0.1104
_reflns_number_gt                3407
_reflns_number_total             4249
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            a907609c.txt
_cod_data_source_block           th15
_cod_depositor_comments
;
The following automatic conversions were performed:
'_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)/n
_cod_database_code               7203901