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_1513753
_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         'C21 H23 N3 O4'
_chemical_formula_sum            'C21 H23 N3 O4'
_chemical_formula_weight         381.42
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.4293(4)
_cell_length_b                   8.9980(6)
_cell_length_c                   39.350(3)
_cell_measurement_reflns_used    1281
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.865
_cell_measurement_theta_min      3.439
_cell_volume                     1922.4(2)
_computing_cell_refinement       'BRUKER SMART'
_computing_data_collection       'BRUKER SMART'
_computing_data_reduction        'BRUKER SAINT'
_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    'Sir 2004'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Smart-CCD-1000 BRUKER'
_diffrn_measurement_method       'omega scans'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0532
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       49
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3919
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.03
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.9863
_exptl_absorpt_correction_T_min  0.9595
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.318
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.247
_refine_diff_density_min         -0.243
_refine_diff_density_rms         0.068
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.4(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     259
_refine_ls_number_reflns         3919
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0617
_refine_ls_R_factor_gt           0.0451
_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^)+(0.0659P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1046
_refine_ls_wR_factor_ref         0.1179
_reflns_number_gt                3144
_reflns_number_total             3919
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3pp50252j.txt
_cod_data_source_block           uv01cj1n
_cod_database_code               1513753