Supramolecular pyridyl urea gels as soft matter with antibacterial properties against MRSA and/or E. coli
Komala Pandurangan; Jonathan A. Kitchen; Salvador Blasco; Francesca Paradisi; Thorfinnur Gunnlaugsson; Chem.Commun. 50 (2014) 10819–; doi:10.1039/C4cc04028G

data_7115603
_publ_section_title
;
 Supramolecular pyridyl urea gels as soft matter with antibacterial
 properties against MRSA and/or E. coli
;
_journal_name_full               Chem.Commun.
_journal_page_first              10819
_journal_paper_doi               10.1039/C4cc04028G
_journal_volume                  50
_journal_year                    2014
_chemical_formula_sum            'C13 H14 N4 O4'
_chemical_formula_weight         290.28
_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                 92.01(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.1756(16)
_cell_length_b                   14.365(3)
_cell_length_c                   11.375(2)
_cell_measurement_reflns_used    5271
_cell_measurement_temperature    162(2)
_cell_measurement_theta_max      31.3458
_cell_measurement_theta_min      2.2846
_cell_volume                     1335.1(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      162(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Rigaku saturn 724'
_diffrn_measurement_method       'omega and phi 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  0.0172
_diffrn_reflns_av_sigmaI/netI    0.0113
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            10627
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.49
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8995
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   CrystalClear
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.444
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.31
_refine_diff_density_max         0.231
_refine_diff_density_min         -0.181
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     203
_refine_ls_number_reflns         2328
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0358
_refine_ls_R_factor_gt           0.0353
_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^)+(0.0493P)^2^+0.4232P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0918
_refine_ls_wR_factor_ref         0.0921
_reflns_number_gt                2289
_reflns_number_total             2328
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc04028g2.cif
_cod_data_source_block           kp11
_cod_original_cell_volume        1335.1(5)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7115603