Enhanced fluorescence with nanosecond dynamics in solid state of metal Ion complexes of alkoxy salophens
Khan, Tuhin; Datta, Anindya; Phys. Chem. Chem. Phys.  (2017) –; doi:10.1039/C7CP05429G

data_7229396
_publ_section_title
;
 Enhanced fluorescence with nanosecond dynamics in solid state of metal
 Ion complexes of alkoxy salophens
;
_journal_name_full               'Phys. Chem. Chem. Phys.'
_journal_paper_doi               10.1039/C7CP05429G
_journal_year                    2017
_chemical_formula_moiety         'C24 H24 N2 O4'
_chemical_formula_sum            'C24 H24 N2 O4'
_chemical_formula_weight         404.45
_chemical_name_systematic        '3-Ethoxy salophen'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-05-11 deposited with the CCDC.
2017-10-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   21.157(4)
_cell_length_b                   4.9633(9)
_cell_length_c                   19.590(3)
_cell_measurement_reflns_used    2613
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.7170
_cell_measurement_theta_min      2.1740
_cell_volume                     2057.1(6)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type
'dtrek-CrysAlisPro-abstract goniometer imported rigaku-d*trek images'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1213
_diffrn_reflns_av_unetI/netI     0.1175
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            13041
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        24.998
_diffrn_reflns_theta_max         24.998
_diffrn_reflns_theta_min         2.079
_diffrn_source                   'fine-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.090
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.306
_exptl_crystal_description       block
_exptl_crystal_F_000             856
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Methanol'
_exptl_crystal_size_max          0.161
_exptl_crystal_size_mid          0.094
_exptl_crystal_size_min          0.054
_refine_diff_density_max         0.301
_refine_diff_density_min         -0.256
_refine_diff_density_rms         0.078
_refine_ls_abs_structure_details
;
 Flack x determined using 682 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.6(10)
_refine_ls_extinction_coef       0.013(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     276
_refine_ls_number_reflns         3603
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.1201
_refine_ls_R_factor_gt           0.0762
_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^)+(0.0738P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1572
_refine_ls_wR_factor_ref         0.1921
_reflns_Friedel_coverage         0.934
_reflns_Friedel_fraction_full    0.995
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                2389
_reflns_number_total             3603
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7cp05429g2.cif
_cod_data_source_block           ethoxy1
_cod_database_code               7229396
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              70630
_shelx_hkl_checksum              30528