Unusual Chemical Ratio, Z″ Values, and Polymorphism in Three NewN-Methyl Aminopyridine–4-Nitrophenol Adducts
Draguta, Sergiu; Yakovenko, Andrey A.; Fonari, Marina S.; Timofeeva, Tatiana V.; Crystal Growth & Design 14 (2014) 3423–; doi:10.1021/cg500360f

data_4511215
_publ_section_title
;
 Unusual Chemical Ratio, Z&#x2033; Values, and Polymorphism in Three
 NewN-Methyl Aminopyridine--4-Nitrophenol Adducts
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3423
_journal_paper_doi               10.1021/cg500360f
_journal_volume                  14
_journal_year                    2014
_chemical_formula_moiety         'C6 H4 N O3, 2(C6 H5 N O3), C6 H9 N2'
_chemical_formula_sum            'C24 H23 N5 O9'
_chemical_formula_weight         525.47
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 99.412(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   17.006(4)
_cell_length_b                   13.708(3)
_cell_length_c                   20.859(4)
_cell_measurement_temperature    100(2)
_cell_volume                     4797.2(18)
_computing_cell_refinement       'SAINTPlus, v. 6.2 (Bruker, 2001)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINTPlus, v. 6.2 (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.1241
_diffrn_reflns_av_sigmaI/netI    0.0946
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            36979
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         4.20
_exptl_absorpt_coefficient_mu    0.114
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.455
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2192
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.337
_refine_diff_density_min         -0.283
_refine_diff_density_rms         0.071
_refine_ls_extinction_coef       0.0017(2)
_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   1.000
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     720
_refine_ls_number_reflns         8414
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.1267
_refine_ls_R_factor_gt           0.0577
_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^)+(0.0450P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1127
_refine_ls_wR_factor_ref         0.1381
_reflns_number_gt                4519
_reflns_number_total             8414
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            all_compounds_completed_corrected.cif
_cod_data_source_block           2.3(I)_polymorph_B
_cod_depositor_comments
'Adding full bibliography for 4511210--4511217.cif.'
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4511215