Solid-state photodimerization reactions of racemic and homochiral phenylalanine sulfonamidecinnamic acids
Yan, Zhiqing; Bolokowicz, Andrew J.; Collett, Teage K.; Reeb, Sarah A.; Wiseman, Joshua D.; Wheeler, Kraig A.; CrystEngComm 15 (2013) 27–; doi:10.1039/c2ce26307f

data_7208962
_publ_section_title
;
 Solid-state photodimerization reactions of racemic and homochiral
 phenylalanine sulfonamidecinnamic acids
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              27
_journal_paper_doi               10.1039/c2ce26307f
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C18 H17 N O6 S'
_chemical_formula_sum            'C18 H17 N O6 S'
_chemical_formula_weight         375.39
_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'
_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                 106.567(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.5367(3)
_cell_length_b                   7.2065(1)
_cell_length_c                   15.8326(3)
_cell_measurement_reflns_used    8176
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      67.004
_cell_measurement_theta_min      3.516
_cell_volume                     1699.11(5)
_computing_cell_refinement       APEX2
_computing_data_reduction
;
SAINT (Bruker, 2008) and XPREP (Bruker, 2008)
;
_computing_molecular_graphics    'XSEED (Barbour, 2001)'
_computing_publication_material  'XSEED (Barbour, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0384
_diffrn_reflns_av_sigmaI/netI    0.0211
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            23203
_diffrn_reflns_theta_full        67.60
_diffrn_reflns_theta_max         67.60
_diffrn_reflns_theta_min         3.52
_exptl_absorpt_coefficient_mu    2.024
_exptl_absorpt_correction_T_max  0.8614
_exptl_absorpt_correction_T_min  0.4689
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2010)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.467
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'transparent lathe'
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.481
_refine_diff_density_min         -0.265
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         3054
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0487
_refine_ls_R_factor_gt           0.0435
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0549P)^2^+1.5442P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1091
_refine_ls_wR_factor_ref         0.1129
_reflns_number_gt                2717
_reflns_number_total             3054
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce26307f.txt
_cod_data_source_block           kaw131
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7208962