Synthesis, Structure, and Conformation of Aza[1~n~]metacyclophanes
Matthew Vale; Maren Pink; Suchada Rajca; Andrzej Rajca; Journal of Organic Chemistry 73 (2008) 27–35; doi:10.1021/jo702151n

data_4023186
_publ_section_title
;
 Synthesis, Structure, and Conformation of Aza[1~n~]metacyclophanes
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              27
_journal_page_last               35
_journal_paper_doi               10.1021/jo702151n
_journal_volume                  73
_journal_year                    2008
_chemical_formula_moiety         'C68 H76 N4'
_chemical_formula_sum            'C68 H76 N4'
_chemical_formula_weight         949.33
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 119.0450(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.3273(7)
_cell_length_b                   14.6197(5)
_cell_length_c                   20.8649(7)
_cell_measurement_reflns_used    9035
_cell_measurement_temperature    137(2)
_cell_measurement_theta_max      50.07
_cell_measurement_theta_min      2.35
_cell_volume                     5687.5(3)
_computing_cell_refinement       'SAINT (Bruker, current version)'
_computing_data_collection       'SMART (Bruker, current version)'
_computing_data_reduction        'SAINT (Bruker, current version)'
_computing_molecular_graphics    'SHELXTL (Bruker), XTEL (Local Library)'
_computing_publication_material  'SHELXTL (Bruker)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      137(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 44.52
_diffrn_detector_type            'Bruker SMART 6000'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_details
'0.30 degree frames measured for 30 seconds each'
_diffrn_measurement_device       'three-circle goniometer with fixed chi'
_diffrn_measurement_device_type  'Bruker Platform goniometer'
_diffrn_measurement_method       \w-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  0.0608
_diffrn_reflns_av_sigmaI/netI    0.0391
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            61102
_diffrn_reflns_theta_full        25.09
_diffrn_reflns_theta_max         25.09
_diffrn_reflns_theta_min         2.18
_diffrn_standards_decay_%        0.0
_diffrn_standards_interval_time  1078
_diffrn_standards_number         324
_exptl_absorpt_coefficient_mu    0.064
_exptl_absorpt_correction_T_max  0.9936
_exptl_absorpt_correction_T_min  0.9886
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing (1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.109
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2048
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.392
_refine_diff_density_min         -0.223
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     741
_refine_ls_number_reflns         10102
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0682
_refine_ls_R_factor_gt           0.0411
_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^)+(0.0365P)^2^+2.4916P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0898
_refine_ls_wR_factor_ref         0.1039
_reflns_number_gt                7330
_reflns_number_total             10102
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo702151n-File001.cif
_cod_data_source_block           02453
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' tag value 'multi-scans' was replaced
with 'multi-scan' value.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4023186