Chiral transmission to crystal photodimerizations of leucine‒methionine quasiracemic assemblies
Lu, Yuhua; Bolokowicz, Andrew. J.; Reeb, Sarah A.; Wiseman, Joshua D.; Wheeler, Kraig A.; RSC Advances 4 (2014) 8125–; doi:10.1039/c3ra47270a

data_7235322
_publ_section_title
;
 Chiral transmission to crystal photodimerizations of leucine--methionine
 quasiracemic assemblies
;
_journal_issue                   16
_journal_name_full               'RSC Advances'
_journal_page_first              8125
_journal_paper_doi               10.1039/c3ra47270a
_journal_volume                  4
_journal_year                    2014
_chemical_formula_moiety         'C11 H11 N O6 S'
_chemical_formula_sum            'C11 H11 N O6 S'
_chemical_formula_weight         285.27
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 99.075(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.1963(1)
_cell_length_b                   29.5944(6)
_cell_length_c                   9.2515(2)
_cell_measurement_reflns_used    8069
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      67.229
_cell_measurement_theta_min      2.987
_cell_volume                     1404.90(5)
_computing_cell_refinement       APEX2
_computing_data_collection       APEX2
_computing_data_reduction
;
SAINT (Bruker, 2010) and XPREP (Bruker, 2010)
;
_computing_molecular_graphics    'XSEED (Barbour, 2001)'
_computing_publication_material  'XSEED (Barbour, 2001)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0506
_diffrn_reflns_av_unetI/netI     0.0217
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            30432
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.239
_diffrn_reflns_theta_min         2.986
_exptl_absorpt_coefficient_mu    2.267
_exptl_absorpt_correction_T_max  0.484
_exptl_absorpt_correction_T_min  0.439
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2010)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.349
_exptl_crystal_description       'transparent needle'
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_platon_squeeze_details
;
;
_refine_diff_density_max         1.139
_refine_diff_density_min         -0.297
_refine_diff_density_rms         0.063
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         2557
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0490
_refine_ls_R_factor_gt           0.0446
_refine_ls_shift/su_max          0.014
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0427P)^2^+2.3925P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1098
_refine_ls_wR_factor_ref         0.1123
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2343
_reflns_number_total             2557
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c3ra47270a.cif
_cod_data_source_block           kaw69
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7235322
_shelx_estimated_absorpt_t_min   0.439
_shelx_estimated_absorpt_t_max   0.848
_shelxl_version_number           2013-4
_shelx_res_checksum              78731
_shelx_hkl_checksum              65390