Selective Hg2+ Sensing Behaviors of Rhodamine Derivatives with Extended Conjugation Based on Two Successive Ring-Opening Processes
Chunyan Wang; Keith Man-Chung Wong; Inorganic Chemistry 52 (2013) 13432–13441; doi:10.1021/ic401810x

data_4336818
_publ_contact_author_address
;
Department of Chemistry
The University of Hong Kong
Pokfulam Road, Pokfulam,
Hong Kong SAR, 
P. R. CHINA
;
_publ_contact_author_email       wwyam@hku.hk
_publ_contact_author_fax         '(852)2915 5176'
_publ_contact_author_name        'Professor V.W.W. YAM'
_publ_contact_author_phone       '(852)2859 2153'
_publ_section_title
;
 Selective Hg2+ Sensing Behaviors of Rhodamine Derivatives with Extended
 Conjugation Based on Two Successive Ring-Opening Processes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              13432
_journal_page_last               13441
_journal_paper_doi               10.1021/ic401810x
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         'C42 H36 N2 O6'
_chemical_formula_sum            'C42 H36 N2 O6'
_chemical_formula_weight         664.73
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      60
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2010-July-28
_audit_creation_method           SHELXL-97
_audit_update_record
;
2010-July-28 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.8537(10)
_cell_length_b                   19.5680(13)
_cell_length_c                   12.1682(8)
_cell_measurement_reflns_used    18534
_cell_measurement_temperature    305(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      1.67
_cell_volume                     3536.8(4)
_computing_cell_refinement       'SAINT v7.34A (Bruker AXS Inc, 2006)'
_computing_data_collection       'SMART (Bruker AXS Inc, 1998)'
_computing_data_reduction
'CrystalStructure (Rigaku/MSC and Rigaku Corporation, 2006)'
_computing_molecular_graphics
'ORTEP-II (Johnson, 1976) & MERCURY (Macrae et al., 2008)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      305(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD'
_diffrn_measurement_method       \w
_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  0.0319
_diffrn_reflns_av_sigmaI/netI    0.0303
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            17369
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.72
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.9917
_exptl_absorpt_correction_T_min  0.9778
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.248
_exptl_crystal_description       block
_exptl_crystal_F_000             1400
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.418
_refine_diff_density_min         -0.300
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     240
_refine_ls_number_reflns         4381
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.1084
_refine_ls_R_factor_gt           0.0596
_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^)+(0.0693P)^2^+1.4338P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1472
_refine_ls_wR_factor_ref         0.1759
_reflns_number_gt                2490
_reflns_number_total             4381
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic401810x_si_004.cif
_cod_data_source_block           wt2124w-shelxl
_cod_database_code               4336818