A laterally π-expanded fluorone dye as an efficient near infrared fluorophore.
Sezukuri, Kyohei; Suzuki, Mitsuharu; Hayashi, Hironobu; Kuzuhara, Daiki; Aratani, Naoki; Yamada, Hiroko; Chemical communications (Cambridge, England) 52 (2016) 4872–4875; doi:10.1039/c6cc00237d

data_7118803
_publ_section_title
;
 A laterally \p-expanded fluorone dye as an efficient near infrared
 fluorophore.
;
_journal_issue                   27
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              4872
_journal_page_last               4875
_journal_paper_doi               10.1039/c6cc00237d
_journal_volume                  52
_journal_year                    2016
_chemical_formula_moiety         'C19 H13 O3, Br'
_chemical_formula_sum            'C19 H13 Br O3'
_chemical_formula_weight         369.20
_chemical_name_systematic
'6-methoxy-9-phenyl-3H-xanthen-3-one, HBr complex'
_space_group_IT_number           52
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      52
_symmetry_space_group_name_Hall  '-P 2a 2bc'
_symmetry_space_group_name_H-M   'P n n a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-01-06 deposited with the CCDC.
2016-02-25 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.4553(14)
_cell_length_b                   15.350(3)
_cell_length_c                   15.588(3)
_cell_measurement_reflns_used    2106
_cell_measurement_temperature    90
_cell_measurement_theta_max      30.42
_cell_measurement_theta_min      2.61
_cell_volume                     1544.6(5)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'XSHEL (Bruker AXS,2002)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      90
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEXII 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  0.0371
_diffrn_reflns_av_sigmaI/netI    0.0275
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            8721
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    2.674
_exptl_absorpt_correction_T_max  0.8779
_exptl_absorpt_correction_T_min  0.5010
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.588
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.615
_refine_diff_density_min         -0.366
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     108
_refine_ls_number_reflns         1684
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0450
_refine_ls_R_factor_gt           0.0279
_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^)+(0.0418P)^2^+0.5869P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0700
_refine_ls_wR_factor_ref         0.0791
_reflns_number_gt                1261
_reflns_number_total             1684
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc00237d2.cif
_cod_data_source_block           40714ks_0ma
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 

 Adding full bibliography for 7118802--7118804.cif.
;
_cod_original_cell_volume        1544.6(6)
_cod_original_sg_symbol_H-M      'P n n a '
_cod_database_code               7118803