The three-dimensional hydrogen-bonded structures in the ammonium and sodium salt hydrates of 4-aminophenylarsonic acid
Smith, Graham; Wermuth, Urs D.; Acta Crystallographica Section C 70 (2014) –; doi:10.1107/S2053229614014867

data_2019607
_publ_section_title
;
 The three-dimensional hydrogen-bonded structures in the ammonium and
 sodium salt hydrates of 4-aminophenylarsonic acid
;
_journal_coeditor_code           KY3057
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2053229614014867
_journal_volume                  70
_journal_year                    2014
_chemical_formula_iupac          'N H4 +, C6 H7 As N O3 -, H2 O'
_chemical_formula_moiety         'H4 N +, C6 H7 As N O3 -, H2 O'
_chemical_formula_sum            'C6 H13 As N2 O4'
_chemical_formula_weight         252.10
_chemical_name_common            'ammonium <i>p</i>-arsanilate monohydrate'
_chemical_name_systematic
;
Ammonium 4-aminophenylarsonate monohydrate
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c 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                   11.4287(18)
_cell_length_b                   12.068(2)
_cell_length_c                   7.5427(13)
_cell_measurement_reflns_used    1760
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.70
_cell_measurement_theta_min      3.81
_cell_volume                     1040.3(3)
_computing_cell_refinement       'CrysAlis PRO (Agilent, 2013)'
_computing_data_collection       'CrysAlis PRO (Agilent, 2013)'
_computing_data_reduction        'CrysAlis PRO (Agilent, 2013)'
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200.0(10)
_diffrn_detector_area_resol_mean 16.077
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Oxford Diffraction Gemini-S CCD-detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0307
_diffrn_reflns_av_sigmaI/netI    0.0361
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            3581
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.38
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.255
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.670
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrysAlis PRO; Agilent, 2013)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.610
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.325
_refine_diff_density_min         -0.547
_refine_ls_abs_structure_details 'Flack (1983), 937 Friedel pairs'
_refine_ls_abs_structure_Flack   0.002(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         1506
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0307
_refine_ls_R_factor_gt           0.0274
_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^)+(0.0368P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0646
_refine_ls_wR_factor_ref         0.0672
_reflns_number_gt                1385
_reflns_number_total             1506
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ky3057sup1.cif
_cod_data_source_block           I
_cod_database_code               2019607
_cod_database_fobs_code          2019607