Evaluating the role of a urea-like motif in enhancing the thermal and mechanical strength of supramolecular gels
Tómasson, Daníel Arnar; Ghosh, Dipankar; Kurup, M. R. Prathapachandra; Mulvee, Matthew T.; Damodaran, Krishna K.; CrystEngComm 23 (2021) 617–628; doi:10.1039/D0CE01194K

data_7241759
_publ_section_title
;
 Evaluating the role of a urea-like motif in enhancing the thermal and
 mechanical strength of supramolecular gels
;
_journal_issue                   3
_journal_name_full               CrystEngComm
_journal_page_first              617
_journal_page_last               628
_journal_paper_doi               10.1039/D0CE01194K
_journal_volume                  23
_journal_year                    2021
_chemical_formula_moiety         'C18 H15 N5 O'
_chemical_formula_sum            'C18 H15 N5 O'
_chemical_formula_weight         317.35
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2019-08-07
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-03-29 deposited with the CCDC.	2020-12-09 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.8120(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   3.84640(10)
_cell_length_b                   11.0679(3)
_cell_length_c                   35.2718(9)
_cell_measurement_reflns_used    9993
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      78.36
_cell_measurement_theta_min      2.51
_cell_volume                     1500.83(7)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      149.97
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0639
_diffrn_reflns_av_unetI/netI     0.0292
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       44
_diffrn_reflns_limit_l_min       -44
_diffrn_reflns_number            30671
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         79.080
_diffrn_reflns_theta_min         2.507
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.745
_exptl_absorpt_correction_T_max  0.7542
_exptl_absorpt_correction_T_min  0.6174
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1232 before and 0.0727 after correction. The Ratio of minimum to maximum transmission is 0.8186. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_description       needle
_exptl_crystal_F_000             664
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.304
_refine_diff_density_min         -0.327
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     225
_refine_ls_number_reflns         3206
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0562
_refine_ls_R_factor_gt           0.0460
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0574P)^2^+0.5908P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1096
_refine_ls_wR_factor_ref         0.1155
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2729
_reflns_number_total             3206
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce01194k2.cif
_cod_data_source_block           Ligand_HL2
_cod_depositor_comments
'Adding full bibliography for 7241758--7241763.cif.'
_cod_database_code               7241759
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.978
_shelx_estimated_absorpt_t_min   0.807
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C9(H9), C10(H10), C11(H11), C12(H12),
 C20(H20), C21(H21), C22(H22), C23(H23), C24(H24)
;
_olex2_submission_special_instructions 'No special instructions were received'