4-Methylanilinium 2-carboxyacetate
Wang, Ying-Chun; Acta Crystallographica Section E 68 (2012) o1984–; doi:10.1107/S1600536812024403

data_2235541
_publ_section_title
;
 4-Methylanilinium 2-carboxyacetate
;
_journal_coeditor_code           LH5480
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1984
_journal_paper_doi               10.1107/S1600536812024403
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C7 H10 N +, C3 H3 O4 -'
_chemical_formula_moiety         'C7 H10 N +, C3 H3 O4 -'
_chemical_formula_sum            'C10 H13 N O4'
_chemical_formula_weight         211.21
_chemical_name_systematic
;
4-Methylanilinium 2-carboxyacetate
;
_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                 104.853(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.7937(19)
_cell_length_b                   9.2742(16)
_cell_length_c                   8.5194(17)
_cell_measurement_reflns_used    2228
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.75
_cell_volume                     977.1(3)
_computing_cell_refinement       '<i>CrystalClear</i> (Rigaku, 2005)'
_computing_data_collection       '<i>CrystalClear</i> (Rigaku, 2005)'
_computing_data_reduction        '<i>CrystalClear</i> (Rigaku, 2005)'
_computing_molecular_graphics
'<i>SHELXTL</i> (Sheldrick, 2008) and  DIAMOND (Brandenburg, 1999)'
_computing_publication_material  '<i>SHELXTL</i> (Sheldrick, 2008)'
_computing_structure_refinement  '<i>SHELXL97</i> (Sheldrick, 2008)'
_computing_structure_solution    '<i>SHELXS97</i> (Sheldrick, 2008)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku Mercury2'
_diffrn_measurement_method       'CCD profile fitting'
_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  0.0309
_diffrn_reflns_av_sigmaI/netI    0.0301
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7787
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.75
_exptl_absorpt_coefficient_mu    0.112
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.910
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.436
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.275
_refine_diff_density_min         -0.235
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     138
_refine_ls_number_reflns         2228
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.153
_refine_ls_R_factor_all          0.0499
_refine_ls_R_factor_gt           0.0419
_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^)+(0.0567P)^2^+0.2948P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1063
_refine_ls_wR_factor_ref         0.1113
_reflns_number_gt                1943
_reflns_number_total             2228
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh5480.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2235541
_cod_database_fobs_code          2235541