Advantages of mechanochemical cocrystallisation in the solid-state chemistry of pigments: colour-tuned fluorescein cocrystals
Bučar, Dejan-Krešimir; Filip, Stefan; Arhangelskis, Mihails; Lloyd, Gareth O.; Jones, William; CrystEngComm 15 (2013) 6289–; doi:10.1039/c3ce41013g

data_7210421
_publ_section_title
;
 Advantages of mechanochemical cocrystallisation in the solid-state
 chemistry of pigments: colour-tuned fluorescein cocrystals
;
_journal_issue                   32
_journal_name_full               CrystEngComm
_journal_page_first              6289
_journal_paper_doi               10.1039/c3ce41013g
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         '(C20 H12 O5), (C13 H9 N1)2'
_chemical_formula_structural     '(C20 H12 O5), (C13 H9 N1)2'
_chemical_formula_sum            'C46 H30 N2 O5'
_chemical_formula_weight         690.75
_chemical_name_common            'fluorescein:acridine cocrystal'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           36
_space_group_name_Hall           'C 2c -2'
_space_group_name_H-M_alt        'C m c 21'
_symmetry_space_group_name_Hall  'C 2c -2'
_symmetry_space_group_name_H-M   'C m c 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   25.2998(38)
_cell_length_b                   16.8440(27)
_cell_length_c                   7.88987(81)
_cell_measurement_temperature    293
_cell_volume                     3362.3(8)
_computing_cell_refinement       'DICVOL 06 (Louer et al)'
_computing_data_collection       'X'Pert Data Collector (Panalytical)'
_computing_structure_refinement  'TOPAS Academic (Coelho 2007)'
_computing_structure_solution    'TOPAS Academic (Coelho 2007)'
_diffrn_ambient_temperature      293
_diffrn_detector_type            X'Celerator
_diffrn_measurement_device_type  'Panalytical X'pert Powder'
_diffrn_radiation_monochromator  none
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.5418
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_target            Cu
_exptl_crystal_density_diffrn    1.3646(3)
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1440
_pd_char_colour                  white
_pd_meas_2theta_range_inc        0.033
_pd_meas_2theta_range_max        59.9402
_pd_meas_2theta_range_min        3.0152
_pd_meas_number_of_points        1725
_pd_meas_scan_method             cont
_pd_proc_ls_background_function  'Chebyshev polynomial'
_pd_proc_ls_pref_orient_corr     none
_pd_proc_ls_profile_function     pseudo-Voigt
_pd_proc_ls_prof_R_factor        0.044
_pd_proc_ls_prof_wR_expected     0.023
_pd_proc_ls_prof_wR_factor       0.056
_pd_spec_mounting                ' ?'
_pd_spec_mount_mode              reflection
_pd_spec_shape                   flat_sheet
_pd_spec_size_axial              14
_pd_spec_size_equat              10
_pd_spec_size_thick              0.5
_refine_ls_goodness_of_fit_all   2.421
_refine_ls_number_constraints    123
_refine_ls_number_parameters     42
_refine_ls_number_restraints     0
_refine_ls_R_I_factor            0.018
_refine_ls_weighting_scheme      calc
_cod_data_source_file            c3ce41013g.txt
_cod_data_source_block           1
_cod_original_cell_volume        3362.27(82)
_cod_database_code               7210421