Polyaza metacyclophanes as ditopic anion receptors.
Ilioudis, Christos A.; Steed, Jonathan W.; Organic & biomolecular chemistry 3 (2005) 2935–2945; doi:10.1039/b506828b

data_7150229
_publ_section_title
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 Polyaza metacyclophanes as ditopic anion receptors.
;
_journal_issue                   16
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              2935
_journal_page_last               2945
_journal_paper_doi               10.1039/b506828b
_journal_volume                  3
_journal_year                    2005
_chemical_formula_sum            'C16 H28 N4'
_chemical_formula_weight         276.42
_chemical_name_systematic
;
?
;
_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                 91.7346(29)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.5482(8)
_cell_length_b                   14.9721(11)
_cell_length_c                   17.2980(14)
_cell_measurement_temperature    120(2)
_cell_volume                     3248.3(4)
_computing_cell_refinement       'DENZO SMN'
_computing_data_collection       'NONIUS COLLECT'
_computing_data_reduction        'DENZO SMN'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.577
_diffrn_measured_fraction_theta_max 0.577
_diffrn_measurement_device_type  'KAPPA CCD'
_diffrn_measurement_method       '2o phi frames'
_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  0.0927
_diffrn_reflns_av_sigmaI/netI    0.1422
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5174
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.00
_diffrn_reflns_theta_min         2.36
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_type   scalepack
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.130
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1216
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.209
_refine_diff_density_min         -0.234
_refine_diff_density_rms         0.064
_refine_ls_extinction_coef       0.0101(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.957
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     302
_refine_ls_number_reflns         2494
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.957
_refine_ls_R_factor_all          0.1595
_refine_ls_R_factor_gt           0.0572
_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^)+(0.0651P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1109
_refine_ls_wR_factor_ref         0.1485
_reflns_number_gt                1199
_reflns_number_total             2494
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b506828b.txt
_cod_data_source_block           a5
_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_cell_volume        3248.3(11)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7150229