H-Bond assisted mechanoluminescence of borylated aryl amines: tunable emission and polymorphism
Sudhakar, Pagidi; Neena, Kalluvettukuzhy K.; Thilagar, Pakkirisamy; Journal of Materials Chemistry C 5 (2017) 6537–; doi:10.1039/C7TC01676J

data_7236793
_publ_section_title
;
 H-Bond assisted mechanoluminescence of borylated aryl amines: tunable
 emission and polymorphism
;
_journal_issue                   26
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              6537
_journal_paper_doi               10.1039/C7TC01676J
_journal_volume                  5
_journal_year                    2017
_chemical_formula_moiety         'C28 H36 B N'
_chemical_formula_sum            'C28 H36 B N'
_chemical_formula_weight         397.39
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-01-30 deposited with the CCDC.
2017-05-26 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.4888(4)
_cell_length_b                   16.5462(7)
_cell_length_c                   32.8121(14)
_cell_measurement_reflns_used    137931
_cell_measurement_temperature    373(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      3.0
_cell_volume                     4608.7(4)
_computing_cell_refinement       'bruker saint'
_computing_data_collection       'Bruker kappa apex ccd'
_computing_data_reduction        'bruker saint'
_computing_molecular_graphics    ORTEP-III
_computing_publication_material  WinGXv1.80.05
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    SHELXS-97
_diffrn_ambient_temperature      373(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker kappa apex ccd'
_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  0.1032
_diffrn_reflns_av_sigmaI/netI    0.0313
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            137931
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.97
_exptl_absorpt_coefficient_mu    0.064
_exptl_absorpt_correction_T_max  0.994
_exptl_absorpt_correction_T_min  0.987
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Sadabs
_exptl_crystal_colour            colour-less
_exptl_crystal_density_diffrn    1.145
_exptl_crystal_density_meas      1.15
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1728
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent: EtOAc'
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.245
_refine_diff_density_min         -0.203
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4037
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0730
_refine_ls_R_factor_gt           0.0473
_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^)+(0.0453P)^2^+3.2514P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1031
_refine_ls_wR_factor_ref         0.1113
_reflns_number_gt                3045
_reflns_number_total             4037
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c7tc01676j2.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'p b c a'
_cod_database_code               7236793