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_7118802
_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         'C20 H14 O3'
_chemical_formula_sum            'C20 H14 O3'
_chemical_formula_weight         302.31
_chemical_name_systematic        6-methoxy-9-phenyl-3H-xanthen-3-one
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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
_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                 92.558(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.307(2)
_cell_length_b                   6.9664(13)
_cell_length_c                   20.194(4)
_cell_measurement_reflns_used    1118
_cell_measurement_temperature    90
_cell_measurement_theta_max      30.75
_cell_measurement_theta_min      2.26
_cell_volume                     1448.5(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 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0576
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_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            8676
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.9954
_exptl_absorpt_correction_T_min  0.9727
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.386
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.302
_refine_diff_density_min         -0.285
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     209
_refine_ls_number_reflns         3148
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0931
_refine_ls_R_factor_gt           0.0483
_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^)+(0.0603P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1064
_refine_ls_wR_factor_ref         0.1292
_reflns_number_gt                1950
_reflns_number_total             3148
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc00237d2.cif
_cod_data_source_block           40723ks_0m
_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 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7118802--7118804.cif.
;
_cod_original_cell_volume        1448.6(5)
_cod_original_sg_symbol_H-M      'P 21/n  '
_cod_database_code               7118802