Hydrogen Bonding in Pyridinium Picrates: From Discrete Ion Pairs to 3D Networks
Stilinović, Vladimir; Kaitner, Branko; Crystal Growth & Design 11 (2011) 4110–; doi:10.1021/cg200684x

data_4501068
_publ_section_title
;
 Hydrogen Bonding in Pyridinium Picrates: From Discrete Ion Pairs to 3D
 Networks
;
_journal_issue                   9
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4110
_journal_paper_doi               10.1021/cg200684x
_journal_volume                  11
_journal_year                    2011
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C6 H2 N3 O7, C6 H9 N2 O'
_chemical_formula_sum            'C12 H11 N5 O8'
_chemical_formula_weight         353.26
_chemical_name_systematic
;
4-methoxypyrid-3-ylammonium picrate
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2010-10-13T09:51:50-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.0563(2)
_cell_length_b                   11.0710(4)
_cell_length_c                   30.9908(12)
_cell_measurement_reflns_used    3461
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      32.0
_cell_measurement_theta_min      4.6
_cell_volume                     1391.71(10)
_computing_cell_refinement
;
CrysAlis RED 170 (Oxford Diffraction Poland Sp., 2003)
;
_computing_data_collection
;
CrysAlis CCD 170 (Oxford Diffraction Poland Sp., 2003)
;
_computing_data_reduction
;
CrysAlis RED 170 (Oxford Diffraction Poland Sp., 2003)
;
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material
;
WinGX (Farrugia, 1999) 
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type
;
Oxford Diffraction Xcalibur CCD
diffractometer
;
_diffrn_measurement_method       'omega 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  0.0356
_diffrn_reflns_av_unetI/netI     0.0507
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -41
_diffrn_reflns_number            12055
_diffrn_reflns_theta_full        28.98
_diffrn_reflns_theta_max         28.98
_diffrn_reflns_theta_min         3.74
_exptl_absorpt_coefficient_mu    0.145
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.686
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.437
_exptl_crystal_size_mid          0.187
_exptl_crystal_size_min          0.173
_refine_diff_density_max         0.247
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.12
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         2183
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.12
_refine_ls_R_factor_all          0.052
_refine_ls_R_factor_gt           0.0332
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0460P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0702
_refine_ls_wR_factor_ref         0.095
_reflns_number_gt                1611
_reflns_number_total             2183
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg200684x_si_002.cif
_cod_data_source_block           6-meo-3ampy
_cod_database_code               4501068