Intermolecular N-H···O Hydrogen Bonding Assisted by Resonance. II. Self Assembly of Hydrogen-Bonded Secondary Enaminones in Supramolecular Catemers
Bertolasi, V.; Gilli, P.; Ferretti, V.; Gilli, G.; Acta Crystallographica Section B 54 (1998) 50–65; doi:10.1107/S0108768197008677

data_2105604
_publ_section_title
;
 Intermolecular N-H&#x00B7;&#x00B7;&#x00B7;O Hydrogen Bonding Assisted by
 Resonance. II. Self Assembly of Hydrogen-Bonded Secondary Enaminones in
 Supramolecular Catemers
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              50
_journal_page_last               65
_journal_paper_doi               10.1107/S0108768197008677
_journal_volume                  54
_journal_year                    1998
_chemical_formula_analytical     'C20 H33 N3 O2 '
_chemical_formula_sum            'C20 H33 N3 O2'
_chemical_formula_weight         347.50
_chemical_name_systematic
;
N,N'-3-azapentane-1,5-bis[1-(3-oxo-5,5-dimethyl-1-cyclohexenyl)]
;
_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'
_cell_angle_alpha                90.00000
_cell_angle_beta                 92.76(3)
_cell_angle_gamma                90.00000
_cell_formula_units_Z            4
_cell_length_a                   31.779(5)
_cell_length_b                   5.7140(10)
_cell_length_c                   11.334(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    295
_cell_measurement_theta_max      15
_cell_measurement_theta_min      10
_cell_volume                     2055.7(10)
_diffrn_ambient_temperature      295
_diffrn_measurement_device_type  'Enraf-Nonius CAD4'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine focus sealed tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.023
_diffrn_reflns_limit_h_max       42
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            2529
_diffrn_reflns_reduction_process ' ......'
_diffrn_reflns_theta_max         28
_diffrn_reflns_theta_min         2
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.0728
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.1228
_exptl_crystal_description
;
plated
;
_exptl_crystal_F_000             760.0
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.07
_refine_diff_density_min         -0.11
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.62
_refine_ls_hydrogen_treatment    'H atoms isotropic'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2487
_refine_ls_R_factor_gt           0.045
_refine_ls_shift/su_max          0.02
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 4F^2^/[\s^2^(I) + (0.04F^2^)^2^]'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.052
_reflns_number_gt                1115
_reflns_number_total             2487
_reflns_threshold_expression     I>3\s(I)
_cod_data_source_file            na0080.cif
_cod_data_source_block           9
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc w = 4F^2^/[\s^2^(I) +
(0.04F^2^)^2^]' was changed to 'calc'. New tag
'_refine_ls_weighting_details' was created. The value of the new tag
was set to 'w = 4F^2^/[\s^2^(I) + (0.04F^2^)^2^]'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        2056.0(10)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C20 H33 N3 O2 '
_cod_database_code               2105604