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_7210162
_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, C4 H7 N4'
_chemical_formula_sum            'C16 H16 N6 O6'
_chemical_formula_weight         388.35
_chemical_name_common
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2,3-Diaminopyrimidinium 4-nitrophenolate 4-nitrophenol
;
_chemical_name_systematic
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2,3-Diaminopyrimidinium 4-nitrophenolate 4-nitrophenol
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 90.7690(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.0160(4)
_cell_length_b                   21.6277(16)
_cell_length_c                   15.7012(13)
_cell_measurement_temperature    100(2)
_cell_volume                     1703.2(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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0237
_diffrn_reflns_av_sigmaI/netI    0.0125
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            30660
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.119
_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    1.514
_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         0.227
_refine_diff_density_min         -0.244
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     277
_refine_ls_number_reflns         3343
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0362
_refine_ls_R_factor_gt           0.0331
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0380P)^2^+1.0262P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0850
_refine_ls_wR_factor_ref         0.0891
_reflns_number_gt                3084
_reflns_number_total             3343
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40291f.txt
_cod_data_source_block           sergiu5
_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      P2(1)/c
_cod_database_code               7210162