A New Class of Selective Low-Molecular-Weight Gelators Based on Salts of Diaminotriazinecarboxylic Acids
Olivier LeBel; Marie-Eve Perron; Thierry Maris; Sylvia F. Zalzal; Antonio Nanci; James D. Wuest; Chem. Mater. 16 (2006) 3616–3626; doi:10.1021/cm049234y

data_4000684
_publ_section_title
;
 A New Class of Selective Low-Molecular-Weight Gelators Based on Salts of
 Diaminotriazinecarboxylic Acids
;
_journal_name_full               'Chem. Mater.'
_journal_page_first              3616
_journal_page_last               3626
_journal_paper_doi               10.1021/cm049234y
_journal_volume                  16
_journal_year                    2006
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_sum            'C22 H28 N5 Na O4 S2'
_chemical_formula_weight         513.60
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 105.0208(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.8524(3)
_cell_length_b                   10.4636(2)
_cell_length_c                   15.8729(3)
_cell_measurement_reflns_used    6688
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      67.47
_cell_measurement_theta_min      2.88
_cell_volume                     2542.93(8)
_computing_cell_refinement       'SMART (Bruker, 2003)'
_computing_data_collection       'SMART (Bruker, 2003)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'UdMX (local program)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 5.5
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker Smart 6000'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.037
_diffrn_reflns_av_sigmaI/netI    0.0583
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            31713
_diffrn_reflns_theta_full        68.05
_diffrn_reflns_theta_max         68.05
_diffrn_reflns_theta_min         2.89
_diffrn_standards_decay_%        0.87
_diffrn_standards_number         86
_exptl_absorpt_coefficient_mu    2.384
_exptl_absorpt_correction_T_max  0.6600
_exptl_absorpt_correction_T_min  0.5600
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick,1996)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.342
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1080
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.288
_refine_diff_density_min         -0.378
_refine_diff_density_rms         0.060
_refine_ls_extinction_coef       0.00029(10)
_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   1.003
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     314
_refine_ls_number_reflns         4580
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.0636
_refine_ls_R_factor_gt           0.0401
_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^)+(0.0584P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0996
_refine_ls_wR_factor_ref         0.1089
_reflns_number_gt                3263
_reflns_number_total             4580
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            deposit.cif
_cod_data_source_block           jiw903
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4000684