(<i>S</i>)-2-[(<i>S</i>)-2-Acetamido-3-phenylpropanamido]-3-phenylpropanoic acid
Li, Gao-Ning; Li, Jian; Liang, Zu-Pei; Acta Crystallographica Section E 63 (2007) o372–o373; doi:10.1107/S1600536806053955

data_2211767
_publ_section_title
;
 (<i>S</i>)-2-[(<i>S</i>)-2-Acetamido-3-phenylpropanamido]-3-phenylpropanoic
 acid
;
_journal_coeditor_code           CI2239
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o372
_journal_page_last               o373
_journal_paper_doi               10.1107/S1600536806053955
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C20 H22 N2 O4'
_chemical_formula_moiety         'C20 H22 N2 O4'
_chemical_formula_sum            'C20 H22 N2 O4'
_chemical_formula_weight         354.40
_chemical_name_systematic
;
(DL)-2-[(DL)-2-Acetamido-3-phenylpropanamido]-3-phenylpropanoic acid
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 96.364(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.185(3)
_cell_length_b                   8.633(2)
_cell_length_c                   10.427(3)
_cell_measurement_reflns_used    2129
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      24.39
_cell_measurement_theta_min      2.65
_cell_volume                     911.2(4)
_computing_cell_refinement       'SAINT (Bruker, 1997)'
_computing_data_collection       'SMART (Bruker, 1997)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0277
_diffrn_reflns_av_sigmaI/netI    0.0309
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5164
_diffrn_reflns_theta_full        26.35
_diffrn_reflns_theta_max         26.35
_diffrn_reflns_theta_min         1.97
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.9786
_exptl_absorpt_correction_T_min  0.9698
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.292
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             376
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.121
_refine_diff_density_min         -0.139
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         1978
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0524
_refine_ls_R_factor_gt           0.0351
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         <0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0407P)^2^+0.0961P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0792
_refine_ls_wR_factor_ref         0.0883
_reflns_number_gt                1573
_reflns_number_total             1978
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci2239.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        911.1(4)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2211767
_cod_database_fobs_code          2211767