3-(1<i>H</i>-Indol-3-yl)-2-(2-methylacryloyl)propanoic acid
Lv, Zhi-Fang; Gao, Xiao-Feng; Wang, Jin-Tang; Acta Crystallographica Section E 63 (2007) o2846–o2847; doi:10.1107/S1600536807015735

data_2213821
_publ_section_title
;
 3-(1<i>H</i>-Indol-3-yl)-2-(2-methylacryloyl)propanoic acid
;
_journal_coeditor_code           HK2221
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2846
_journal_page_last               o2847
_journal_paper_doi               10.1107/S1600536807015735
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C15 H16 N2 O3'
_chemical_formula_moiety         'C15 H16 N2 O3'
_chemical_formula_sum            'C15 H16 N2 O3'
_chemical_formula_weight         272.30
_chemical_name_common            N-acryloyltryptophane
_chemical_name_systematic
;
3-(1H-Indol-3-yl)-2-(2-methylacryloyl)propanoic 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           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                   9.4220(19)
_cell_length_b                   10.587(2)
_cell_length_c                   14.328(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      13
_cell_measurement_theta_min      9
_cell_volume                     1429.2(5)
_computing_cell_refinement       'CAD-4 Software'
_computing_data_collection       'CAD-4 Software (Enraf--Nonius, 1989)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2000)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       \w/2\q
_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  0.0211
_diffrn_reflns_av_sigmaI/netI    0.0407
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1634
_diffrn_reflns_theta_full        25.97
_diffrn_reflns_theta_max         25.97
_diffrn_reflns_theta_min         2.39
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.9824
_exptl_absorpt_correction_T_min  0.9737
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>,  1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.265
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.612
_refine_diff_density_min         -0.673
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         1612
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0899
_refine_ls_R_factor_gt           0.0692
_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^)+(0.1P)^2^+1.3P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1837
_refine_ls_wR_factor_ref         0.2003
_reflns_number_gt                1211
_reflns_number_total             1612
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hk2221.cif
_cod_data_source_block           I
_cod_database_code               2213821
_cod_database_fobs_code          2213821