Optical Properties and Mechanofluorochromism of New BODIPY Dyes Based on Pyridine-Pyrimidine-Hybrid Structure
Liu, Zhipeng; Liu, Yi; Duan, Jicheng; Qi, Fen; Tian, Dan; Wang, Xiaoqing; Huang, Wei; Dalton Trans.  (2017) –; doi:10.1039/C7DT02259J

data_7043574
_publ_section_title
;
 Optical Properties and Mechanofluorochromism of New BODIPY Dyes Based on
 Pyridine-Pyrimidine-Hybrid Structure
;
_journal_name_full               'Dalton Trans.'
_journal_paper_doi               10.1039/C7DT02259J
_journal_year                    2017
_chemical_formula_sum            'C11 H6 B Cl F2 N4'
_chemical_formula_weight         278.46
_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_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-06-04 deposited with the CCDC.
2017-07-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 93.8410(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.4083(9)
_cell_length_b                   5.5521(5)
_cell_length_c                   19.6438(17)
_cell_measurement_reflns_used    1805
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.19
_cell_measurement_theta_min      3.5515
_cell_volume                     1132.62(17)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0377
_diffrn_reflns_av_sigmaI/netI    0.0412
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            5351
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         3.57
_exptl_absorpt_coefficient_mu    0.352
_exptl_absorpt_correction_T_max  0.9394
_exptl_absorpt_correction_T_min  0.9266
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.633
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.168
_refine_diff_density_min         -0.269
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         2000
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0597
_refine_ls_R_factor_gt           0.0365
_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^)+(0.0431P)^2^+0.1181P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0823
_refine_ls_wR_factor_ref         0.0934
_reflns_number_gt                1430
_reflns_number_total             2000
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt02259j2.cif
_cod_data_source_block           150527h
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/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 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      'P2(1)/n  '
_cod_database_code               7043574