Bright NUV mechanofluorescence from a terpyridine-based pure organic crystal.
Sun, Qikun; Tang, Liangliang; Zhang, Zhenzhen; Zhang, Kai; Xie, Zongliang; Chi, Zhenguo; Zhang, Haichang; Yang, Wenjun; Chemical communications (Cambridge, England) 54 (2017) 94–97; doi:10.1039/c7cc08064f

data_7120933
_publ_section_title
;
 Bright NUV mechanofluorescence from a terpyridine-based pure organic
 crystal.
;
_journal_issue                   1
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              94
_journal_page_last               97
_journal_paper_doi               10.1039/c7cc08064f
_journal_volume                  54
_journal_year                    2017
_chemical_formula_sum            'C27 H26 B N3 O2'
_chemical_formula_weight         435.32
_chemical_name_systematic        BP-TPY
_space_group_IT_number           7
_space_group_name_Hall           'P -2yc'
_space_group_name_H-M_alt        'P 1 c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P -2yc'
_symmetry_space_group_name_H-M   'P 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-10-15 deposited with the CCDC.
2017-11-29 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 128.652(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.7210(10)
_cell_length_b                   6.5310(10)
_cell_length_c                   23.8400(10)
_cell_measurement_reflns_used    1271
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20.26
_cell_measurement_theta_min      2.22
_cell_volume                     2276.4(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0701
_diffrn_reflns_av_sigmaI/netI    0.1086
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            10867
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.39
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9857
_exptl_absorpt_correction_T_min  0.9794
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             920
_exptl_crystal_recrystallization_method 'Vapour deposition'
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.254
_refine_diff_density_min         -0.258
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.983
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     596
_refine_ls_number_reflns         5921
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.983
_refine_ls_R_factor_all          0.0981
_refine_ls_R_factor_gt           0.0651
_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^)+(0.0100P)^2^+3.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1334
_refine_ls_wR_factor_ref         0.1470
_reflns_number_gt                4209
_reflns_number_total             5921
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7cc08064f6.cif
_cod_data_source_block           a
_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.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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 

 Adding full bibliography for 7120933.cif.
;
_cod_original_cell_volume        2276.4(4)
_cod_original_sg_symbol_H-M      'Pc   '
_cod_database_code               7120933