Flexible Luminescent MOF: Trapping of Less Stable Conformation of Rotational Isomers, In Situ Guest-Responsive Turn-Off and Turn-On Luminescence and Mechanistic Study.
Khatua, Sajal; Biswas, Protap; ACS applied materials & interfaces  (2020) –; doi:10.1021/acsami.0c02891

data_4517630
_publ_section_title
;
 Flexible Luminescent MOF: Trapping of Less Stable Conformation of
 Rotational Isomers, In Situ Guest-Responsive Turn-Off and Turn-On
 Luminescence and Mechanistic Study.
;
_journal_name_full               'ACS applied materials &amp; interfaces'
_journal_paper_doi               10.1021/acsami.0c02891
_journal_year                    2020
_chemical_formula_moiety         'C22 H17 Cu I N3 O, O'
_chemical_formula_sum            'C22 H17 Cu I N3 O2'
_chemical_formula_weight         545.82
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2019-03-15
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 113.189(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   24.184(10)
_cell_length_b                   12.642(6)
_cell_length_c                   17.903(8)
_cell_measurement_reflns_used    1846
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      19.213
_cell_measurement_theta_min      2.475
_cell_volume                     5031(4)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_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    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1309
_diffrn_reflns_av_unetI/netI     0.1446
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            14932
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.566
_diffrn_reflns_theta_min         1.832
_exptl_absorpt_coefficient_mu    2.114
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.5821
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/4 (Bruker,2014/4) was used for absorption correction. wR2(int) was 0.0804 before and 0.0496 after correction. The Ratio of minimum to maximum transmission is 0.7811. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            'clear dark black'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   dark
_exptl_crystal_colour_primary    black
_exptl_crystal_density_diffrn    1.441
_exptl_crystal_description       block
_exptl_crystal_F_000             2144
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.318
_refine_diff_density_min         -0.737
_refine_diff_density_rms         0.183
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         4667
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.1894
_refine_ls_R_factor_gt           0.0729
_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^)+(0.1251P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2030
_refine_ls_wR_factor_ref         0.2534
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2052
_reflns_number_total             4667
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            1Z.cif
_cod_data_source_block           1z
_cod_database_code               4517630
_shelx_shelxl_version_number     2016/6
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Others
 Fixed Sof: O2B(0.3267) O2A(0.6733)
3.a Aromatic/amide H refined with riding coordinates:
 C9(H9), C15(H15), C12(H12), C7(H7), C13(H13), C14(H14), C1(H1), C17(H17),
 C21(H21), C2(H2), C18(H18), C4(H4), C5(H5), C20(H20)
3.b Idealised Me refined as rotating group:
 C22(H22A,H22B,H22C)
;
_shelx_res_checksum              99934
_shelx_hkl_checksum              34912
_olex2_submission_special_instructions 'No special instructions were received'