(<i>S</i>)-Alanine–(<i>S</i>)-mandelic acid (1/1)
Zi-Qiang Hu; Duan-Jun Xu; Yuan-Zhi Xu; Acta Crystallographica Section E 60 (2004) o269–o271; doi:10.1107/S160053680400145X

data_2203223
_publ_section_title
;
 (<i>S</i>)-Alanine--(<i>S</i>)-mandelic acid (1/1)
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o269
_journal_page_last               o271
_journal_paper_doi               10.1107/S160053680400145X
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C8 H8 O3, C3 H7 N O2'
_chemical_formula_moiety         'C8 H8 O3, C3 H7 N O2'
_chemical_formula_sum            'C11 H15 N O5'
_chemical_formula_weight         241.24
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_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                 100.650(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.795(4)
_cell_length_b                   5.394(2)
_cell_length_c                   12.431(2)
_cell_measurement_reflns_used    20
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      9.8
_cell_measurement_theta_min      5.5
_cell_volume                     1172.7(5)
_computing_cell_refinement       'MSC/AFC Diffractometer Control Software'
_computing_data_collection
;
MSC/AFC Diffractometer Control Software
(Molecular Structure Corporation, 1992)
;
_computing_data_reduction
'TEXSAN (Molecular Structure Corporation, 1985)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-2 (Altomare et al., 1993)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 1.00
_diffrn_measurement_device_type  'Rigaku AFC-7S'
_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  0.017
_diffrn_reflns_av_sigmaI/netI    0.027
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       1
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            1928
_diffrn_reflns_theta_full        27.5
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         1.7
_diffrn_standards_decay_%        0.6
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.108
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.366
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       prism
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.35
_refine_diff_density_min         -0.33
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         1484
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.063
_refine_ls_R_factor_gt           0.054
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0812P)^2^+1.03P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.146
_refine_ls_wR_factor_ref         0.154
_reflns_number_gt                1276
_reflns_number_total             1484
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om6206.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_sg_symbol_H-M      'C 2'
_cod_database_code               2203223
_cod_database_fobs_code          2203223