Synthesis of 4-Hydroxyindole Fused Isocoumarin Derivatives and Their Fluorescence “Turn-Off” Sensing Cu(II) Ions
Pramanik, Animesh; Pathak, Sudipta; Das, Doyel; Kundu, Ashis; Maity, Subhendu; Guchhait, Nikhil; RSC Adv.  (2015) –; doi:10.1039/C5RA01060H

data_7219452
_publ_section_title
;
 Synthesis of 4-Hydroxyindole Fused Isocoumarin Derivatives and Their
 Fluorescence &#x201C;Turn-Off&#x201D; Sensing Cu(II) Ions
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA01060H
_journal_year                    2015
_chemical_formula_sum            'C52 H40 O6'
_chemical_formula_weight         760.84
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2013-05-21 deposited with the CCDC.
2015-02-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 94.763(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.1935(9)
_cell_length_b                   19.541(3)
_cell_length_c                   16.698(3)
_cell_measurement_reflns_used    989
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      20.72
_cell_measurement_theta_min      2.42
_cell_volume                     2013.9(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1159
_diffrn_reflns_av_sigmaI/netI    0.1310
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            11695
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9903
_exptl_absorpt_correction_T_min  0.9871
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.255
_exptl_crystal_density_meas      1.255
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             800
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.330
_refine_diff_density_min         -0.239
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.129
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         3548
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.129
_refine_ls_R_factor_all          0.2186
_refine_ls_R_factor_gt           0.1286
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0523P)^2^+3.3517P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2204
_refine_ls_wR_factor_ref         0.2502
_reflns_number_gt                1906
_reflns_number_total             3548
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra01060h2.cif
_cod_data_source_block           110702bm
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        2014.0(5)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7219452