New acentric materials constructed from aminopyridines and 4-nitrophenol
Draguta, Sergiu; Fonari, Marina S.; Masunov, Artëm E.; Zazueta, Joel; Sullivan, Shannon; Antipin, Mikhail Yu.; Timofeeva, Tatiana V.; CrystEngComm 15 (2013) 4700–; doi:10.1039/c3ce40291f

data_7210158
_publ_section_title
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 New acentric materials constructed from aminopyridines and 4-nitrophenol
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_journal_issue                   23
_journal_name_full               CrystEngComm
_journal_page_first              4700
_journal_paper_doi               10.1039/c3ce40291f
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C6 H5 N O3, C6 H4 N O3, C6 H9 N2'
_chemical_formula_sum            'C18 H18 N4 O6'
_chemical_formula_weight         386.36
_chemical_name_common
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2-Amino,6-methylpyridinium 4-nitrophenolate 4-nitrophenol
;
_chemical_name_systematic
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2-Amino,6-methylpyridinium 4-nitrophenolate 4-nitrophenol
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.0366(10)
_cell_length_b                   10.7686(7)
_cell_length_c                   11.8026(8)
_cell_measurement_temperature    100(2)
_cell_volume                     1784.0(2)
_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  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0427
_diffrn_reflns_av_sigmaI/netI    0.0313
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            16311
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         2.38
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_T_max  0.654
_exptl_absorpt_correction_T_min  0.337
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.438
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.251
_refine_diff_density_min         -0.227
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.5(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     270
_refine_ls_number_reflns         3500
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0514
_refine_ls_R_factor_gt           0.0434
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0365P)^2^+1.0132P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0951
_refine_ls_wR_factor_ref         0.0989
_reflns_number_gt                3122
_reflns_number_total             3500
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40291f.txt
_cod_data_source_block           sergiu7
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               7210158