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_7203906
_publ_section_title
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 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            'C42 H68 N4'
_chemical_formula_weight         629.00
_chemical_name_systematic
; 
 (48) 
;
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.6200(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.4676(3)
_cell_length_b                   10.5968(2)
_cell_length_c                   14.8576(2)
_cell_measurement_temperature    200(2)
_cell_volume                     4001.70(10)
_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 0.920
_diffrn_measured_fraction_theta_max 0.920
_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  0.0255
_diffrn_reflns_av_sigmaI/netI    0.0243
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            14473
_diffrn_reflns_theta_full        25.63
_diffrn_reflns_theta_max         25.63
_diffrn_reflns_theta_min         1.60
_exptl_absorpt_coefficient_mu    0.060
_exptl_absorpt_correction_T_max  0.97
_exptl_absorpt_correction_T_min  0.86
_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    1.044
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       polyhedron
_exptl_crystal_F_000             1392
_exptl_crystal_size_max          .35
_exptl_crystal_size_mid          .34
_exptl_crystal_size_min          .14
_refine_diff_density_max         0.167
_refine_diff_density_min         -0.131
_refine_diff_density_rms         0.029
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     344
_refine_ls_number_reflns         3478
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0580
_refine_ls_R_factor_gt           0.0378
_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^)+(0.0527P)^2^+0.7679P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0891
_refine_ls_wR_factor_ref         0.0992
_reflns_number_gt                2595
_reflns_number_total             3478
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            a907609c.txt
_cod_data_source_block           th2
_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      C2/c
_cod_database_code               7203906