Tryptophan association in water driven by charge-transfer interactions with electron-deficient aromatic haptens
Sánchez Santos, Estela; Garrido-González, José J.; Fuentes de Arriba, Angel L.; Rodríguez-Sahagún, Ligzajaya; Habib, Asmaa; Sanz, Francisca; Martin del Valle, Eva; Rodriguez Moran, Joaquin; Alcazar, Victoria; Organic & Biomolecular Chemistry  (2022) –; doi:10.1039/D2OB01650H

data_7158900
_publ_section_title
;
 Tryptophan association in water driven by charge-transfer interactions
 with electron-deficient aromatic haptens
;
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_paper_doi               10.1039/D2OB01650H
_journal_year                    2022
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C11 H12 N2 O2, C7 H4 N2 O6, C H4 O'
_chemical_formula_sum            'C19 H20 N4 O9'
_chemical_formula_weight         448.39
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_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
_audit_update_record
;
2022-06-15 deposited with the CCDC.	2022-09-27 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 98.214(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.2094(4)
_cell_length_b                   7.5386(3)
_cell_length_c                   19.1587(8)
_cell_measurement_reflns_used    2715
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      64.22
_cell_measurement_theta_min      2.33
_cell_volume                     1030.57(8)
_computing_cell_refinement       'SAINT (Bruker 2006)'
_computing_data_collection       'APEX 2 (Bruker 2006)'
_computing_data_reduction        'SAINT (Bruker 2006)'
_computing_molecular_graphics    'Mercury 4.0.0 (Macrae et al, 2008)'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.946
_diffrn_measured_fraction_theta_max 0.946
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0291
_diffrn_reflns_av_sigmaI/netI    0.0311
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            7296
_diffrn_reflns_theta_full        66.72
_diffrn_reflns_theta_max         66.72
_diffrn_reflns_theta_min         2.33
_exptl_absorpt_coefficient_mu    0.999
_exptl_absorpt_correction_T_max  0.905
_exptl_absorpt_correction_T_min  0.866
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2006)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.445
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.614
_refine_diff_density_min         -0.354
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.4(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     283
_refine_ls_number_reflns         2586
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0565
_refine_ls_R_factor_gt           0.0528
_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^)+(0.0993P)^2^+0.3879P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1483
_refine_ls_wR_factor_ref         0.1521
_reflns_number_gt                2369
_reflns_number_total             2586
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d2ob01650h2.cif
_cod_data_source_block           invertida
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_sg_symbol_Hall     P2yb
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7158900