Rhodamine thiospirolactone. Highly selective and sensitive reversible sensing of Hg(II).
Zhan, Xin-Qi; Qian, Zhen-Hua; Zheng, Hong; Su, Bing-Yuan; Lan, Zhi; Xu, Jin-Gou; Chemical communications (Cambridge, England)  (2008) 1859–1861; doi:10.1039/b719473k

data_7103079
_publ_section_title
;
 Rhodamine thiospirolactone. Highly selective and sensitive reversible
 sensing of Hg(II).
;
_journal_issue                   16
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1859
_journal_page_last               1861
_journal_paper_doi               10.1039/b719473k
_journal_year                    2008
_chemical_formula_moiety         'C28 H30 N2 O2 S'
_chemical_formula_sum            'C28 H30 N2 O2 S'
_chemical_formula_weight         458.60
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.6870(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.9203(5)
_cell_length_b                   15.6081(7)
_cell_length_c                   14.5574(7)
_cell_measurement_reflns_used    6020
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      28.1862
_cell_measurement_theta_min      2.2900
_cell_volume                     2458.9(2)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_computing_molecular_graphics    'ORTEP-II (Johnson, 1976)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      297(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.927
_diffrn_measurement_device_type  'Bruker APEX area-detector diffractometer'
_diffrn_measurement_method       '\f and \w scan'
_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  0.0192
_diffrn_reflns_av_sigmaI/netI    0.0163
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            28035
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         28.77
_diffrn_reflns_theta_min         1.92
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.159
_exptl_absorpt_correction_T_max  0.9465
_exptl_absorpt_correction_T_min  0.9248
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2002)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.239
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       block
_exptl_crystal_F_000             976
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.283
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         5934
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0630
_refine_ls_R_factor_gt           0.0528
_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^)+(0.0925P)^2^+0.4140P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1463
_refine_ls_wR_factor_ref         0.1562
_reflns_number_gt                4808
_reflns_number_total             5934
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b719473k.txt
_cod_data_source_block           y
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7103079