Cu2±selective ratiometric and "off-on" sensor based on the rhodamine derivative bearing pyrene group.
Zhou, Ying; Wang, Fang; Kim, Youngmee; Kim, Sung-Jin; Yoon, Juyoung; Organic letters 11 (2009) 4442–4445; doi:10.1021/ol901804n

data_1504165
_publ_section_title
;
 Cu2+-selective ratiometric and &quot;off-on&quot; sensor based on the
 rhodamine derivative bearing pyrene group.
;
_journal_issue                   19
_journal_name_full               'Organic letters'
_journal_page_first              4442
_journal_page_last               4445
_journal_paper_doi               10.1021/ol901804n
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C24 N2 O2'
_chemical_formula_weight         348.26
_chemical_name_systematic
; 
 ? 
;
_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_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.66(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.6680(19)
_cell_length_b                   9.5110(19)
_cell_length_c                   19.728(4)
_cell_measurement_reflns_used    1752
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.89
_cell_measurement_theta_min      2.34
_cell_volume                     1813.9(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      293(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0593
_diffrn_reflns_av_sigmaI/netI    0.0977
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            10240
_diffrn_reflns_theta_full        26.31
_diffrn_reflns_theta_max         26.31
_diffrn_reflns_theta_min         2.06
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.371
_refine_diff_density_min         -0.412
_refine_diff_density_rms         0.085
_refine_ls_extinction_coef       0.12(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.171
_refine_ls_matrix_type           full
_refine_ls_number_parameters     347
_refine_ls_number_reflns         4005
_refine_ls_number_restraints     22
_refine_ls_restrained_S_all      1.170
_refine_ls_R_factor_all          0.2434
_refine_ls_R_factor_gt           0.1477
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3701
_refine_ls_wR_factor_ref         0.4226
_reflns_number_gt                2475
_reflns_number_total             4005
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol901804n_si_003.cif
_cod_data_source_block           ym144p21n
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1504165