Complexes Between <small>L</small>-Leucine and its Precipitants
Hasegawa, Kazuhiro; Ishikawa, Kohki; Kawaoka, Rie; Sano, Chiaki; Iitani, Kinzo; Komatsu, Hiroshi; Nagashima, Nobuya; Acta Crystallographica Section C 54 (1998) 637–641; doi:10.1107/S0108270197018106

data_2007257
_publ_section_title
;
 Complexes Between <small>L</small>-Leucine and its Precipitants
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              637
_journal_page_last               641
_journal_paper_doi               10.1107/S0108270197018106
_journal_volume                  54
_journal_year                    1998
_chemical_formula_iupac          'C6 H14 N1 O2 1+, C8 H9 O3 S1 1-, H2 O1'
_chemical_formula_moiety         'C14 H23 N O5 S, H2 O'
_chemical_formula_sum            'C14 H25 N O6 S'
_chemical_formula_weight         335.41
_chemical_name_systematic
;
L-leucine 2,5-dimethylbenzenesulfonate monohydrate
;
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                90
_cell_angle_beta                 94.112(9)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.1630(10)
_cell_length_b                   10.199(9)
_cell_length_c                   14.140(9)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298
_cell_measurement_theta_max      40
_cell_measurement_theta_min      30
_cell_volume                     886.5(10)
_computing_cell_refinement       'MSC/AFC Diffractometer Control Software'
_computing_data_collection
;
MSC/AFC Diffractometer Control Software (Molecular Structure
Corporation, 1988)
;
_computing_data_reduction        'MSC/AFC Diffractometer Control Software'
_computing_publication_material
'PLUTO (Motherwell & Clegg, 1978) and ORTEPII (Johnson, 1976)'
_computing_structure_refinement  'ALLS (Lapp & Jacobson, 1979)'
_computing_structure_solution    'MITHRIL (Gilmore, 1984)'
_diffrn_measurement_device       'Rigaku AFC-5S'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.5418
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
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_diffrn_reflns_theta_max         80
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 150
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_exptl_absorpt_coefficient_mu    1.860
_exptl_absorpt_correction_T_max  0.834
_exptl_absorpt_correction_T_min  0.709
_exptl_absorpt_correction_type   'empirical via \y scans (North et al., 1968)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.257
_exptl_crystal_description       plate
_exptl_crystal_size_max          0.7
_exptl_crystal_size_mid          0.5
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.21
_refine_diff_density_min         -0.50
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    noref
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_refine_ls_R_factor_obs          .049
_refine_ls_shift/esd_max         0.051
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/\s^2^(F)'
_refine_ls_weighting_scheme      calc
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_cod_data_source_file            oa1024.cif
_cod_data_source_block           Leu_p-DMBS
_cod_depositor_comments
;
 Adding the _atom_site_type_symbol data item.

 Antanas Vaitkus,
 2017-01-17

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'w = 1/\s^2^(F)' 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^(F)'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        886.50(10)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               2007257