Creation of hydrogen bonded 1D networks by co-crystallization of N,N'-bis(2-pyridyl)aryldiamines with dicarboxylic acidsSupramolecular structures formed by 2-aminopyridine derivatives. Part II.5
Bensemann, Igor; Gdaniec, Maria; Łakomecka, Karina; Milewska, Maria J.; Połoński, Tadeusz; Organic & Biomolecular Chemistry 1 (2003) 1425–; doi:10.1039/b211675h

data_7150492
_publ_section_title
;
 Creation of hydrogen bonded 1D networks by co-crystallization of
 N,N'-bis(2-pyridyl)aryldiamines with dicarboxylic acidsSupramolecular
 structures formed by 2-aminopyridine derivatives. Part II.5
;
_journal_issue                   8
_journal_name_full               'Organic &amp;  Biomolecular Chemistry'
_journal_page_first              1425
_journal_paper_doi               10.1039/b211675h
_journal_volume                  1
_journal_year                    2003
_chemical_formula_moiety         'C16H14N4, C4H2O4'
_chemical_formula_sum            'C20 H16 N4 O4'
_chemical_formula_weight         376.37
_chemical_melting_point          284.5(5)
_chemical_name_systematic
; 
N,N'-bis(2-pyridyl)-1,4-diaminobenzene squaric acid co-crystal 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                87.23(3)
_cell_angle_beta                 81.25(3)
_cell_angle_gamma                78.18(3)
_cell_formula_units_Z            1
_cell_length_a                   3.8420(10)
_cell_length_b                   9.062(2)
_cell_length_c                   12.098(2)
_cell_measurement_reflns_used    'not relevant with the CCD data'
_cell_measurement_temperature    100(2)
_cell_volume                     407.41(16)
_computing_cell_refinement       'KM4RED, Version 1.163, 2000'
_computing_data_collection       'KM4CCD, Version 1.163, 2000'
_computing_data_reduction        'KM4RED, Version 1.163, 2000'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Kuma KM4CCD diffractometer'
_diffrn_measurement_method       '\o scan'
_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  0.0352
_diffrn_reflns_av_sigmaI/netI    0.0398
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            3082
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         3.41
_diffrn_standards_decay_%        <2
_diffrn_standards_interval_count 50
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.534
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             196
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.232
_refine_diff_density_min         -0.233
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.127
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     138
_refine_ls_number_reflns         1442
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.127
_refine_ls_R_factor_all          0.0693
_refine_ls_R_factor_gt           0.0510
_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^)+(0.0250P)^2^+0.4316P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0960
_refine_ls_wR_factor_ref         0.1074
_reflns_number_gt                1154
_reflns_number_total             1442
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b211675h.txt
_cod_data_source_block           2sq
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '284-285' was changed to '284.5(5)' -
the average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1569 2011-02-09 13:29:24Z adriana 
;
_cod_original_cell_volume        407.41(15)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7150492