Triazole-imidazole (TA-IM) derivatives as ultrafast fluorescent probes for selective Ag<sup>+</sup> detection.
Lai, Qi; Liu, Qing; He, Ying; Zhao, Kai; Wei, Chiyu; Wojtas, Lukasz; Shi, Xiaodong; Song, Zhiguang; Organic & biomolecular chemistry 16 (2018) 7801–7805; doi:10.1039/c8ob02482k

data_7156492
_publ_section_title
;
 Triazole-imidazole (TA-IM) derivatives as ultrafast fluorescent probes
 for selective Ag<sup>+</sup> detection.
;
_journal_issue                   42
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              7801
_journal_page_last               7805
_journal_paper_doi               10.1039/c8ob02482k
_journal_volume                  16
_journal_year                    2018
_chemical_formula_moiety         'C22 H17 N5'
_chemical_formula_sum            'C22 H17 N5'
_chemical_formula_weight         351.40
_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'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2018-03-21
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_audit_update_record
;
2018-04-05 deposited with the CCDC.
2018-10-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 104.4370(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   11.7774(2)
_cell_length_b                   22.0334(4)
_cell_length_c                   14.1047(3)
_cell_measurement_reflns_used    9784
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      76.96
_cell_measurement_theta_min      3.81
_cell_volume                     3544.54(12)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker D8 Venture PHOTON 100 CMOS'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  mirrors
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0553
_diffrn_reflns_av_unetI/netI     0.0246
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            53076
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.243
_diffrn_reflns_theta_min         3.807
_diffrn_source                   'INCOATEC Imus micro-focus source'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.644
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9524
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0863 before and 0.0654 after correction.
The Ratio of minimum to maximum transmission is 0.9524.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_description       plate
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.098
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.039
_refine_diff_density_max         0.163
_refine_diff_density_min         -0.273
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     495
_refine_ls_number_reflns         6450
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0469
_refine_ls_R_factor_gt           0.0352
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0363P)^2^+1.3938P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0786
_refine_ls_wR_factor_ref         0.0844
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5346
_reflns_number_total             6450
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ob02482k2.cif
_cod_data_source_block           ql_taim_a
_cod_depositor_comments
'Adding full bibliography for 7156492--7156496.cif.'
_cod_database_code               7156492
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.975
_shelx_estimated_absorpt_t_min   0.940
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B), C37(H37A,H37B)
2.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C4(H4), C5(H5), C14(H14), C15(H15), C16(H16),
 C17(H17), C18(H18), C24(H24), C25(H25), C26(H26), C27(H27), C31(H31), C32(H32),
  C33(H33), C34(H34), C35(H35), C44(H44), C45(H45), C46(H46), C47(H47),
 C48(H48), C54(H54), C55(H55), C56(H56), C57(H57)
;
_shelx_res_checksum              91062
_olex2_submission_special_instructions 'No special instructions were received'