Development of Rhodamine 6G-Based Fluorescent Chemosensors for Al3±Ion Detection: Effect of Ring Strain and Substituent in Enhancing Its Sensing Performance
Mandal, Jayanta; Ghorai, Pravat; Pal, Kunal; Bhaumik, Tanurima; Karmakar, Parimal; Saha, Amrita; ACS Omega  (2019) –; doi:10.1021/acsomega.9b02181

data_4517278
_publ_section_title
;
 Development of Rhodamine 6G-Based Fluorescent Chemosensors for Al3+-Ion
 Detection: Effect of Ring Strain and Substituent in Enhancing Its Sensing
 Performance
;
_journal_name_full               'ACS Omega'
_journal_paper_doi               10.1021/acsomega.9b02181
_journal_year                    2019
_chemical_formula_sum            'C33 H30 Br2 N4 O3'
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_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
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_diffrn_measurement_method       'omega and phi scans'
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_diffrn_reflns_limit_h_max       12
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_diffrn_reflns_limit_l_min       -17
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_diffrn_reflns_theta_max         27.126
_diffrn_reflns_theta_min         2.191
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    2.693
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABAS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.501
_exptl_crystal_description       block
_exptl_crystal_F_000             700
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.020
_exptl_transmission_factor_max   0.7827
_exptl_transmission_factor_min   0.6442
_refine_diff_density_max         1.692
_refine_diff_density_min         -1.177
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
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_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^)+(0.0699P)^2^+4.0636P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1662
_refine_ls_wR_factor_ref         0.1915
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4237
_reflns_number_total             6741
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao9b02181_si_002.cif
_cod_data_source_block           shelx
_cod_original_cell_volume        1528.1(4)
_cod_database_code               4517278
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_shelx_res_checksum              52967
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