Intermolecular interactions in the chiral and racemic forms of 3-hydroxy-2-(1-oxoisoindolin-2-yl)butanoic acid derived from threonine
Gallagher, John F.; Brady, Fiona; Murphy, Carol; Acta Crystallographica Section C 56 (2000) 365–368; doi:10.1107/S0108270199015619

data_2010698
_publ_section_title
;
 Intermolecular interactions in the chiral and racemic forms of
 3-hydroxy-2-(1-oxoisoindolin-2-yl)butanoic acid derived from threonine
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              365
_journal_page_last               368
_journal_paper_doi               10.1107/S0108270199015619
_journal_volume                  56
_journal_year                    2000
_chemical_formula_moiety         'C12 H13 N O4 '
_chemical_formula_sum            'C12 H13 N O4'
_chemical_formula_weight         235.23
_chemical_melting_point          426
_chemical_name_systematic
;
(2R/2S)-3-hydroxy-2-(1-oxoisoindolin-2-yl)butanoic acid
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90
_cell_angle_beta                 93.131(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.9772(7)
_cell_length_b                   14.3906(12)
_cell_length_c                   13.4926(16)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    294.0(10)
_cell_measurement_theta_max      18.34
_cell_measurement_theta_min      9.65
_cell_volume                     1158.8(2)
_computing_cell_refinement       'CAD-4-PC Software'
_computing_data_collection       'CAD-4-PC Software (Enraf-Nonius, 1992)'
_computing_data_reduction        'NRCVAX96 (Gabe et al., 1989)'
_computing_molecular_graphics
;
ORTEPIII (Burnett & Johnson, 1996), ORTEX (McArdle, 1995) and PLATON
(Spek, 1998)
;
_computing_publication_material  'NRCVAX96, SHELXL97 and PREP8 (Ferguson, 1998)'
_computing_structure_refinement  'NRCVAX96 and SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997b)'
_diffrn_ambient_temperature      294.0(10)
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 1.00
_diffrn_measurement_device       'Enraf-Nonius CAD-4'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'X-ray tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     .7107
_diffrn_reflns_av_R_equivalents  .008
_diffrn_reflns_av_sigmaI/netI    .022
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2242
_diffrn_reflns_theta_full        25.5
_diffrn_reflns_theta_max         25.5
_diffrn_reflns_theta_min         2.1
_diffrn_standards_decay_%        'variation <0.5'
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    .102
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.348
_exptl_crystal_density_meas      ?
_exptl_crystal_description       block
_exptl_crystal_F_000             496
_exptl_crystal_size_max          .39
_exptl_crystal_size_mid          .35
_exptl_crystal_size_min          .21
_refine_diff_density_max         .16
_refine_diff_density_min         -.12
_refine_ls_extinction_coef       .044(3)
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997a)'
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     158
_refine_ls_number_reflns         2155
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          .051
_refine_ls_R_factor_gt           .034
_refine_ls_shift/su_max          .001
_refine_ls_shift/su_mean         .000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0378P)^2^+0.2183P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         .086
_reflns_number_gt                1623
_reflns_number_total             2155
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bm1380.cif
_cod_data_source_block           II
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc w =
1/[\s^2^(Fo^2^)+(0.0378P)^2^+0.2183P] where P=(Fo^2^+2Fc^2^)/3' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to 'w =
1/[\s^2^(Fo^2^)+(0.0378P)^2^+0.2183P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_original_formula_sum        'C12 H13 N O4 '
_cod_database_code               2010698
_cod_database_fobs_code          2010698