A New Detection Mechanism involving Keto-Enol Tautomerization: Selective Fluorescence Detection of Al(III) by Dehydration of Secondary Alcohols in Mixed DMSO/Aqueous Media
Alaparthi, Madhubabu; Mariappan, Kadarkaraisamy; Dufek, Eric John; Hoffman, Mariah; Sykes, Andrew; RSC Adv.  (2016) –; doi:10.1039/C5RA23937K

data_7223935
_publ_section_title
;
 A New Detection Mechanism involving Keto-Enol Tautomerization: Selective
 Fluorescence Detection of Al(III) by Dehydration of Secondary Alcohols in
 Mixed DMSO/Aqueous Media
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA23937K
_journal_year                    2016
_chemical_formula_moiety         'C22 H24 O6'
_chemical_formula_sum            'C22 H24 O6'
_chemical_formula_weight         384.41
_chemical_name_common            CE-ANTHRONE
_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   geom
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2015-11-12 deposited with the CCDC.
2016-01-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 96.7520(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.2726(5)
_cell_length_b                   13.7003(6)
_cell_length_c                   22.4713(10)
_cell_measurement_reflns_used    9808
_cell_measurement_temperature    100
_cell_measurement_theta_max      28.79
_cell_measurement_theta_min      2.24
_cell_volume                     3752.1(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.943
_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  0.0250
_diffrn_reflns_av_unetI/netI     0.0194
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.943
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            45084
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.943
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.973
_diffrn_reflns_theta_min         1.744
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  0.995
_exptl_absorpt_correction_T_min  0.991
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            ORANGE
_exptl_crystal_density_diffrn    1.361
_exptl_crystal_description       CUBE
_exptl_crystal_F_000             1632
_exptl_crystal_size_max          0.090
_exptl_crystal_size_mid          0.060
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.357
_refine_diff_density_min         -0.266
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     505
_refine_ls_number_reflns         9382
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0467
_refine_ls_R_factor_gt           0.0381
_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^)+(0.0514P)^2^+1.4023P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0959
_refine_ls_wR_factor_ref         0.1025
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7974
_reflns_number_total             9382
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ra23937k2.cif
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_database_code               7223935
_shelx_estimated_absorpt_t_min   0.991
_shelx_estimated_absorpt_t_max   0.995
_shelxl_version_number           2014-1
_shelx_res_checksum              17384