2-[4-(Carboxymethyl)phenoxy]acetic acid
Fu, Jun-Dan; Wen, Yi-Hang; Acta Crystallographica Section E 67 (2011) o167–; doi:10.1107/S1600536810051810

data_2228697
_publ_section_title
;
 2-[4-(Carboxymethyl)phenoxy]acetic acid
;
_journal_coeditor_code           DS2074
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o167
_journal_paper_doi               10.1107/S1600536810051810
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C10 H10 O5'
_chemical_formula_moiety         'C10 H10 O5'
_chemical_formula_sum            'C10 H10 O5'
_chemical_formula_weight         210.18
_chemical_name_systematic
;
2-[4-(Carboxymethyl)phenoxy]acetic acid
;
_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_method           <i>SHELXL97</i>
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.4640(2)
_cell_length_b                   10.7798(5)
_cell_length_c                   16.2550(7)
_cell_measurement_reflns_used    6173
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.67
_cell_measurement_theta_min      2.27
_cell_volume                     957.43(7)
_computing_cell_refinement       'SAINT (Bruker, 2006)'
_computing_data_collection       'APEX2 (Bruker, 2006)'
_computing_data_reduction        'SAINT (Bruker, 2006)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEXII area-detector'
_diffrn_measurement_method       'phi and omega'
_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  0.0485
_diffrn_reflns_av_sigmaI/netI    0.0211
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            11814
_diffrn_reflns_theta_full        27.67
_diffrn_reflns_theta_max         27.67
_diffrn_reflns_theta_min         2.27
_exptl_absorpt_coefficient_mu    0.119
_exptl_absorpt_correction_T_max  .96
_exptl_absorpt_correction_T_min  .95
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.458
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             440
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.31
_refine_diff_density_max         0.136
_refine_diff_density_min         -0.191
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         1315
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_gt           0.0373
_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^)+(0.0425P)^2^+0.2342P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0871
_refine_ls_wR_factor_ref         0.0987
_reflns_number_gt                1162
_reflns_number_total             1315
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ds2074.cif
_cod_data_source_block           I
_cod_database_code               2228697
_cod_database_fobs_code          2228697