Photooxygenation mechanisms in naproxen-amino acid linked systems.
Vayá, Ignacio; Andreu, Inmaculada; Jiménez, M Consuelo; Miranda, Miguel A.; Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 13 (2014) 224–230; doi:10.1039/c3pp50252j

data_1513749
_publ_section_title
;
 Photooxygenation mechanisms in naproxen-amino acid linked systems.
;
_journal_issue                   2
_journal_name_full
'Photochemical &amp; photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology'
_journal_page_first              224
_journal_page_last               230
_journal_paper_doi               10.1039/c3pp50252j
_journal_volume                  13
_journal_year                    2014
_chemical_formula_moiety         'C26 H26 N2 O4'
_chemical_formula_sum            'C26 H26 N2 O4'
_chemical_formula_weight         430.49
_chemical_name_common            2004uv02cj02b
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 100.092(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.4099(2)
_cell_length_b                   5.3783(2)
_cell_length_c                   23.8999(7)
_cell_measurement_reflns_used    1841
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      68.251
_cell_measurement_theta_min      0.883
_cell_volume                     1064.29(6)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction        'Bruker Xprep'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97  (Altomare et all, 1999)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 14
_diffrn_measured_fraction_theta_full 0.954
_diffrn_measured_fraction_theta_max 0.954
_diffrn_measurement_device_type  KappaCCD2000
_diffrn_measurement_method       CCD
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0184
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2899
_diffrn_reflns_theta_full        68.31
_diffrn_reflns_theta_max         68.31
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.736
_exptl_absorpt_correction_T_max  0.9503
_exptl_absorpt_correction_T_min  0.7190
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.343
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             456
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.360
_refine_diff_density_min         -0.337
_refine_diff_density_rms         0.043
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.2(4)
_refine_ls_extinction_coef       0.0036(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         2899
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0488
_refine_ls_R_factor_gt           0.0479
_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^)+(0.0570P)^2^+0.8759P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1207
_refine_ls_wR_factor_ref         0.1222
_reflns_number_gt                2847
_reflns_number_total             2899
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3pp50252j.txt
_cod_data_source_block           2004uv02cj02bn
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               1513749