3-Carboxymethyl-1<i>H</i>-indole-4-carboxylic acid
Mao, Shulin; Acta Crystallographica Section E 68 (2012) o146–; doi:10.1107/S1600536811051865

data_2233167
_publ_section_title
;
 3-Carboxymethyl-1<i>H</i>-indole-4-carboxylic acid
;
_journal_coeditor_code           HB6541
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o146
_journal_paper_doi               10.1107/S1600536811051865
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C11 H9 N O4'
_chemical_formula_moiety         'C11 H9 N O4'
_chemical_formula_sum            'C11 H9 N O4'
_chemical_formula_weight         219.19
_chemical_name_systematic
;
3-Carboxymethyl-1<i>H</i>-indole-4-carboxylic acid
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                73.90(3)
_cell_angle_beta                 78.57(3)
_cell_angle_gamma                80.40(3)
_cell_formula_units_Z            2
_cell_length_a                   5.4573(11)
_cell_length_b                   9.823(2)
_cell_length_c                   9.940(2)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.39
_cell_measurement_theta_min      3.43
_cell_volume                     498.3(2)
_computing_cell_refinement       'CrystalClear (Rigaku, 2005)'
_computing_data_collection       'CrystalClear (Rigaku, 2005)'
_computing_data_reduction        'CrystalClear (Rigaku, 2005)'
_computing_molecular_graphics    'DIAMOND (Brandenburg & Putz, 2005)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Rigaku SCXmini CCD'
_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  0.0275
_diffrn_reflns_av_sigmaI/netI    0.0331
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            5115
_diffrn_reflns_theta_full        27.39
_diffrn_reflns_theta_max         27.39
_diffrn_reflns_theta_min         3.43
_exptl_absorpt_coefficient_mu    0.113
_exptl_absorpt_correction_T_max  0.984
_exptl_absorpt_correction_T_min  0.977
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrystalClear; Rigaku, 2005)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.461
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             228
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.300
_refine_diff_density_min         -0.208
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.946
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         2239
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.946
_refine_ls_R_factor_all          0.0599
_refine_ls_R_factor_gt           0.0461
_refine_ls_shift/su_max          0.015
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0712P)^2^+0.1712P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1216
_refine_ls_wR_factor_ref         0.1315
_reflns_number_gt                1786
_reflns_number_total             2263
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hb6541.cif
_cod_data_source_block           I
_cod_database_code               2233167
_cod_database_fobs_code          2233167